Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 111298: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
Click here to see answer by kmcruz09(38)

Question 111298: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
Click here to see answer by HyperBrain(694)

Question 111301: Add.
1+(-7)+6+(-10)
Click here to see answer by HyperBrain(694)

Question 111300: Simplify.
-(-31).
Click here to see answer by kmcruz09(38)

Question 111316: Find two consecutive integers such that the sum of 3 times the first integer and 7 times second integer is 97.
Click here to see answer by HyperBrain(694)

Question 111316: Find two consecutive integers such that the sum of 3 times the first integer and 7 times second integer is 97.
Click here to see answer by MathLover1(20849)

Question 111314: Solve.
-8(10x-4)+10(8x-4)=x-9
Click here to see answer by HyperBrain(694)

Question 111312: Solve x+7=8

Solve x/2=1
Click here to see answer by HyperBrain(694)

Question 111274: Write the following phrase using symbols.
3 times the sum of c and w
Click here to see answer by elima(1433)

Question 111355: In the following problem I am trying to solve for x but something isnt working right when I go back tocheck my work. The following are the ways that I tried but it back fired. Can you please assist.
the equation is {x^2-7x-3=0}
This is what I have
x^2-7x-3=0
-6x^2-3=0
-9x=0
x=0
and
x^2-7x-3=0
7x^2+3=0
10x^2
I know that both are wrong but cant get the right answer, can you please advise me as to what I am doing wrong?
Thank you so much!!
Click here to see answer by jim_thompson5910(35256)

Question 111347: what is an equation in slope intercept-form for a line passing through(3,4)And (5,8)?
Click here to see answer by jim_thompson5910(35256)

Question 111292: Write the equation of the line with slope 2 and y-intercept (0, �4).
Click here to see answer by jim_thompson5910(35256)

Question 111299: List all the factors of 40.
List all the factors of 113.
Click here to see answer by jim_thompson5910(35256)

Question 111285: Solve.
2x+6=-8
Click here to see answer by jim_thompson5910(35256)

Question 111284: Solve.
5x-6=4x
Click here to see answer by jim_thompson5910(35256)

Question 111136: 8d - (-7c - 2d)
Click here to see answer by HyperBrain(694)

Question 109332: 2/3y-1=2/5
Click here to see answer by HyperBrain(694)

Question 111425: Solve the formula T = 1/4 s x for the variable s choose the correct answer.
The answer I chose was s = T/4x
Click here to see answer by jim_thompson5910(35256)

Question 111434: Determine which two equations represent parallel lines.
(a) y = 9x � 9 (b) y = �9x + 9 (c) y = 9x + 4 (d) y = x � 9

Click here to see answer by jim_thompson5910(35256)

Question 111439: Solve the system by substitution.
x � 3y = 14
�3x + 5y = �14

Click here to see answer by jim_thompson5910(35256)

Question 111438: The sum of two numbers is 42. Their difference is 6. What are the two numbers?
Click here to see answer by jim_thompson5910(35256)

Question 111438: The sum of two numbers is 42. Their difference is 6. What are the two numbers?
Click here to see answer by edjones(8007)

Question 111437: Solve the system by addition.
4x + 6y = 9
8x � 3y = �7

Click here to see answer by jim_thompson5910(35256)

Question 111436: Given f(x) = x2 + 3x � 3, find f(0).
Click here to see answer by jim_thompson5910(35256)

Question 111492: Find the area of a triangle with a base of 4.25 centimeters and a height of 9.5cm
Click here to see answer by checkley71(8403)

Question 111524: I need to understand how to break this question:
Two thirds of a number reduced by 11 is equal to 4 more than the number. Find that number. I need to know how to break this problem in order to solve it.
question 2:
Also, I need help with this question:
Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number. What is the number?
question 3: 1/2 (6-Z)=Z
Question 4: 2 (a-8)=7=5(a+2)-3a-19.
Thank you for in advance.
Click here to see answer by checkley71(8403)

Question 111530: Find the product or quotient.
34. 2 8/9 x (-3 2/7)
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(75887)

Question 111532: Find the product or equation
-13/16 divided by (-7/24)
Any help with equation would be Greatly appreciated.
Click here to see answer by stanbon(75887)

Question 111534: Find the product or quotient
38. 1 3/8 divided by 2 5/11
Any help with this equation would be Greatly appreciated
Click here to see answer by checkley71(8403)

Question 111526: Find the product or quotient.
31. -4/5 x 3/4
Any help with this equation would be GREATLY appreciated.
Click here to see answer by checkley71(8403)

Question 111537: Solve the equation
44. 4/9x = 6
Any help with this equation would be Greatly appreciated.
Click here to see answer by brandonpark2889(31)

Question 111541: Solve the equation
47. -13/20p = -1/5
Any help with this equation would be Greatly appreciated.
Click here to see answer by checkley71(8403)

Question 111491: Evaulate the expression when x= -3/8 and y= 7/12.
28. y - x
Any help with this equation would be GREATLY appreciated.
Click here to see answer by brandonpark2889(31)

Question 111542: 2. The state fair is coming to town. Since you love the rides, you can�t wait to go. When you get to the ticket counter you notice three options for purchasing tickets.
Option 1: Pay one price at the gate for limitless riding�$25
Option 2: Pay $5 at the gate and then paying $0.75 for each ride you go on.
Option 3: Pay nothing at the gate and pay $1.25 for each ride.
Write general linear equations for each option that describe your cost (y) as a function of how many rides you go on (x)
(use y = mx + b form)
Also, if you knew ahead of time that you were going to experience 17 rides, which option would be cheapest?

Click here to see answer by solver91311(24713)

Question 111543: �Find the equation of the line that passes through the points (-3.2, 8) and (14.7, -1).
�Find the equation of the line that is parallel to the line in a) and passes through the origin.

Click here to see answer by solver91311(24713)

Question 111485: Find the sum or difference.
19.26/15n + (-8/15n)
Any help with this equation would be GREATLY appreciated.
Click here to see answer by elima(1433)

Question 111487: Evaulate the expression when x= -3/8 and y= 7/12.
26. x + y
Any help with this equation would be GREATLY appreciated.
Click here to see answer by elima(1433)

Question 111489: Evaulate the expression when x= -3/8 and y= 7/12.
27. x - y
Any help with this equation would be GREATLY appreciated.
Click here to see answer by elima(1433)

Question 111539: Solve the equation
-8/17v = 16
Any help with this equation would be Greatly appreciated.
Click here to see answer by elima(1433)

Question 111561: i am working equations for combining like terms and using the inverse operations to solve each equation for the variable. pls review this problem and adivse what is the best way to obtain the answer. pls show work.
6x+1+3x=19
Click here to see answer by edjones(8007)

Question 111556: Perimeter of a triangle. The perimeter of the triangle shown in the accompanying figures is 12 meters. Determine the values of x,x+1, and x +2 by solving the equation.
x+ (x+1) + (x+2) = 12

Click here to see answer by jim_thompson5910(35256)

Question 111558: Car Selling. Ronald wants to sell his car through a broker who charges a commission of 10% of the selling price. Ronald still owes $11,025 on the car. Ronald must get enough to at least pay off the loan. What is the range of the selling price?

Click here to see answer by stanbon(75887)

Question 111636: solve for a.
a-g/ag = L

a= -g/gL-1 Is this correct?
Click here to see answer by Fombitz(32388)

Question 111637: if 4 oz of candy has 200 cal. how many cal does 11 oz have?
I got 11 oz candy has 550 cal. Is this correct?
Click here to see answer by checkley71(8403)

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, 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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, 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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, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580