# Questions on Algebra: Equations answered by real tutors!

Algebra ->  Algebra  -> Equations -> Questions on Algebra: Equations answered by real tutors!      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

## Tutors Answer Your Questions about Equations (FREE)

 Question 54039: Can someone help me here? I need to solve and show proof the following equation: 5x + 8 + 3x -x + 5 = 6x -3 Thanks, Lisa Click here to see answer by rchill(405)

 Question 54046: Can someone help me on this problem? I need to solve and show proof on the following equation: 5x + 8 + 3x -x + 5 = 6x -3 Thanks, Lisa Click here to see answer by funmath(2925)

 Question 54058: Can someone help me solve and check the following equation? 5x + 8 + 3x - x + 5 = 6x -3 Thanks, Sher Click here to see answer by funmath(2925)

 Question 54059: Can someone help me on this problem? I need to solve this literal equaton for indicated variable: D = c-s/n (for s) Depreciation I am really lost on this problem. Thanks, Sher Click here to see answer by funmath(2925)

 Question 54060: Can someone help me on this problem? I need to solve this literal equation for the indicated variable as follows: A = 1/2h (B + b) (for b) Area of a trapezoid Thanks, Sher Click here to see answer by ankor@dixie-net.com(15623)

 Question 54030: 4+5(2x-3)=3(4x-1) Click here to see answer by rchill(405)

 Question 54064: Can someone help me on this problem. I am still confused on it. I need to solve for x and show proof: -4 (2x-3) = 8x + 5 Thanks, Sher Click here to see answer by THANApHD(104)

 Question 54066: Here is a problem I have put through a few times, but getting difference answers and a bit confused. Hope someone can show me how to work it out. I need to solve for x and show proof: -4 (2x -3) = 8x + 5 Thanks, Sher Click here to see answer by stanbon(57214)

 Question 54067: I need some help in solving this problem: I need to solve for x and check your results: x/3 = 2 Thanks, Ashley Click here to see answer by funmath(2925)
 Question 54067: I need some help in solving this problem: I need to solve for x and check your results: x/3 = 2 Thanks, Ashley Click here to see answer by stanbon(57214)
 Question 54067: I need some help in solving this problem: I need to solve for x and check your results: x/3 = 2 Thanks, Ashley Click here to see answer by checkley71(8403)

 Question 54073: 49x^2+9=42x x^-2-9x^1+18=0 Winston works faster. Winston can mow his dad's lawn in 1 hour less than it takes his brother willie. If they take 2 hours to mow it when working together, then how long would it take Winston working alone? Click here to see answer by stanbon(57214)

 Question 53814: simplify first and then solve the equation: {-7}+x=13 Click here to see answer by jake_6233(74)

 Question 54158: Hi, I need help on the following problem. Your department sends its copying to the photocopy service down the street. The service bills your department \$0.09 per page. Your department is considering purchasing a copier for \$2750. The expense per page with the copier would be \$0.04. If the expected life of the copier is 4 years, how many copies must the department make in the 4-year period to justify the expenditure for the copier? Click here to see answer by checkley71(8403)

 Question 54169: Kirsten built a rectangular corral with a fence on 3 sides. A side of the barn served as a short side of the corral. She used 130 m of fencing. The lenth of the corral was 20 m longer than the width. Find the dimensions of the corral. Choices for width: 25, 30, 35 Click here to see answer by stanbon(57214)

 Question 54177: how do you solve equations with variables on both sides? Click here to see answer by stanbon(57214)

 Question 54164: please tell me how to do this equation: z/3=10/3 Click here to see answer by Earlsdon(6287)

 Question 54206: the spedometer in a car is only correct when the car has new tires. Explain,using appropiate math, what happens as the tire wears down. It may be helpful to get some information on tire tickness of the tread and find out how speed is measured in a car. For example, a 75R14 tire has a diameter of 14 inches. From this you could figure out how far a car travels in one revolution of the wheel, What happens when the tire is worn down,say 1 inch? Illustrate your explanations with diagrams,grapsh and formulas. It may be helpful to know that 1 mile equals 5280 feet. hey i need help with this problem..i dont have idea how to begin.. pleaseeee!! help me... ^_^ thank you.. Frankcely Robles Click here to see answer by checkley71(8403)

 Question 54278: Two truck drivers start out at the same time on the same long haul delivery. Sam averages 57 mph for the length of the trip while Beth averages 63 mph. After 6.5 hours what is the distance between them? Write an equation and then solve. Click here to see answer by stanbon(57214)

 Question 54276: complete the problem using the appropriate mathmatical teq. even though the answer you get will not be a whole number, it should be used to make your recommendation as to the make- up of the committee. The president of a company would like to create a committee of employees to discuss issues relating to employee morale and productivity. The committee will then make policy recommendations to management. The president would like the make up of the committee to mirror the make up of the company in terms of the numbers men and women. If the ratio of men to women in the company is 84 to 147 how many of each gender should be selected to form a committee of 7? Click here to see answer by stanbon(57214)

 Question 54285: Simplify the following expression. Give your answer using only positive values for the exponents. (2x^-3)^4(3x^5)^-2 Click here to see answer by Cintchr(481)

 Question 54233: This is for anyone familiar with the FOIL Method. I have to find the product of: (2y - 5)(y - 2) using the FOIL Method. What I have so far is: 2y^2 - 2y -5y + 10 10 + -2y + -5y + 2y^2 -2y + -5y = -7y 10 + -7y + 2y^2 Is this in any way correct? Click here to see answer by Cintchr(481)

 Question 54287: write an inequality to describe the situation and solve it to obtain the solution. Your department sends its copying to the photocopying service down the street. The service bills your department \$0.09 per page. Your department is considering purchasing a copier for \$2750. The expense per page with the copier would be \$0.04. If the expected life of the copier is 4 years how many copies must the department make in the 4-year period to justify the expenditure for the copier? Click here to see answer by jainenderkapoor(61)

 Question 54272: Siplify the following expression, give an answer using only positive values for exponents. (2x^-3)^4(3x^5)^-2 Click here to see answer by funmath(2925)

 Question 54317: A manufacturer maintains a supply of a key part used in the production of their product by purchasing the part from two different suppliers A and B. Because this is a key component and they want to maintain a good relationship with both suppliers, the warehouse inventory is monitored regularly. Currently there are 854 unit parts in the warehouse of which 472 more are from supplier A than there are from supplier B. How many in the warehouse are from supplier B? Click here to see answer by jainenderkapoor(61)

 Question 54353: Hi I am having really bad trouble with this problem and i have used all the posible solutions i can think of. I am trying to help my daughter and i have not been in algebra in 23 years and i do not remember a thing. So if you could please give me the answer to this question in great deatail so maybe i can help her. Here is the Question: Find the coordinates of the vertices of each figure after the givin transformation is performed. Triangle RST with R(-2,4),S(2,0),T(.1,.1) reflected over the y axis Click here to see answer by stanbon(57214)
 Question 54353: Hi I am having really bad trouble with this problem and i have used all the posible solutions i can think of. I am trying to help my daughter and i have not been in algebra in 23 years and i do not remember a thing. So if you could please give me the answer to this question in great deatail so maybe i can help her. Here is the Question: Find the coordinates of the vertices of each figure after the givin transformation is performed. Triangle RST with R(-2,4),S(2,0),T(.1,.1) reflected over the y axis Click here to see answer by funmath(2925)

 Question 54284: A manufacturer maintains a supply of a key part used in the production of their product by purchasing the part form two different suppliers-A and B because this is a key component and they want to maintain a good relationshop with both suppliers, the warehouse inventory is monitored regularly. Currently there are 854 units part in the warehouse of which there are 472 more from supplier A than there are from supplier B. How many in the warehouse are from supplier B? Click here to see answer by funmath(2925)

 Question 54389: The length of a rectangle is 3 times the width. The perimeter is 96 cm. Find the width and length. Click here to see answer by checkley71(8403)

 Question 54419: Hi, My son has an algebra question I found difficult to help him with. Please help us. I understand it is a "Problem-Solving Strategy" Here is the question: If 9 less than the product of a number and -4 is greater than 7, which of the following could be that number? a. 5, b. 4, c. -3, d. -5 Please explain the answer to us. Thank you, Kathy Click here to see answer by Earlsdon(6287)

 Question 54368: How do you solve this problem? Click here to see answer by funmath(2925)

 Question 54473: Determine the value of 'a' if (x + 2) is a factor of (x³ - ax² + 7x + 10). Many thanks Click here to see answer by ankor@dixie-net.com(15623)
 Question 54473: Determine the value of 'a' if (x + 2) is a factor of (x³ - ax² + 7x + 10). Many thanks Click here to see answer by Edwin McCravy(8879)

 Question 54485: Im working on Equations with variables on both sides and my teacher wants me to write down all the steps, but I cant even figure out where to start. The problem is 25u+74=23u+92 all I know is first I add like 25u and 23u but then i dont get it. Click here to see answer by checkley71(8403)

 Question 54508: a 1000L tank now contains 240L of water. How long will it take to fill the tank using a pump that pumps L per minute Click here to see answer by josmiceli(9645)

 Question 54540: Hello I am trying to assist my daughter with her homework and we are a bit stupped. They would like us to solve each equation 4 1/2s=-30 I suggested that she does 4 1/2s (4 2/1s) = (-30) 4 2/1s but I we don't come up with the right answer I have the teachers edition also - and don't see any examples that could help us. Thanks in advance. Click here to see answer by stanbon(57214)

 Question 54377: 8/5y-2/3=23-1/15y Click here to see answer by psbhowmick(529)

 Question 54641: Can someone help me with this problem? I need to find four solutions for the following equation: When x number of units are sold, the price of each unit (in dollars) is given by p = 1x/2 + 75. I need to find the unit price when the following quantities are sold: 2, 7, 9, 11. Thanks, Sher Click here to see answer by tutorcecilia(2152)

 Question 54640: Can someone help me on this problem? I need to find four solutions for this equation: Celsius temperature readings can be converted to Fahrenheit readings using the furmula F = 9/5 C + 32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10, 0, 15, 100? Thanks, Sher Click here to see answer by tutorcecilia(2152)

 Question 54639: Can someone help me on this problem? I need to complete the ordered pairs so that each is a solution for the given equation. 3x + 4y = 12 pair 1 is (0,) Pair 2 is (, 3/4) Pair 3 is (,0) Pair 4 is (8/3,) Thanks Sher Click here to see answer by tutorcecilia(2152)

 Question 54627: Solve for x: When I solve the above equation, I get x = 2; but when I verify my answer by substituting the value of x in the original equation, it is not matching. I tried a few times to solve using different methods and I am always getting the same value of x as 2. What am I doing wrong? Click here to see answer by psbhowmick(529)

 Question 54694: 15+?+11-9+0=17+?. how do you solve this proublem? Click here to see answer by checkley71(8403)

 Question 54622: 3/4 k+1= 3/8 - 2k Click here to see answer by terbear1963(43)

 Question 54670: 8y-(8+6y)=20 Click here to see answer by checkley71(8403)

 Question 54697: The diameter of Earth is about twice that of Mars. The diameter of Mars is about three times that of Pluto. Together, the sum of the diameters of Earth, Mars, and Pluto is about 30,000 kilometers less than the diameter of Uranus. If the diameter of Uranus is about 52,000 kilometers, what equation would be used to find the approximate diameter of Pluto? Let d = diameter of Pluto. Click here to see answer by ankor@dixie-net.com(15623)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740