Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 1047018: Marcus Amy and Colin are collecting quarters for a school fundraiser. Marcus has 12 more than Amy Colin has three times more than Amy all together they have 107. how many quarters does Marcus have and how many quarters does Colin have
Click here to see answer by stanbon(75887)

Question 1047021: Hi I need help on this equation, please explain
Peter was building a porch. Placing boards of equal length from end to end, Peter found that 4 boards were 3 feet too long for the porch length while 3 boards were 5 feet too short. How long was each board?

Click here to see answer by solver91311(24713)

Question 1046790: Solve the following equation 1. 3x^2=2a
2. X^2-3x-15=0
Click here to see answer by Alan3354(69443)

Question 1047070: U= VW +Z. what is V?
Click here to see answer by addingup(3677)

Question 1047086: A student has test scores of 72, 76, and 78 points. What must he score on the fourth exam to have an average score s of at least 69 points?
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Question 1047109: Ito has %225 and he wants to expand his media collection by adding some CDs and DVDs
A.ito would like to buy three more CDs than DVDs.Write an equation to represent this condition

Click here to see answer by ewatrrr(24785)

Question 1047148: The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the care and the square of the speed. It 247-lb of force keeps a 1200-lb car from skidding on a curve of radius 400 ft. at 35 mph, what force would keep the same car from skidding on a curve of radius 850 ft. at 60 mph?

Click here to see answer by Alan3354(69443)

Question 1047152: Find an equation of the line passing through the points (-1,3)and (-2,-5)
can you please assist me with this thank you
Click here to see answer by Boreal(15235)

Question 1047229: Write an equation of the line through (-2,1) and parallel to x=0. Write the equation using function notation.
Thank you can you please provide the steps to solve this
Click here to see answer by Alan3354(69443)

Question 1047266: two cyclists leave a park and ride in opposite directions, one averaging 6 mph and the other 9mph. If they have two ways radios with a 2 mile range, for how many minutes with they remain in radio contact?
Click here to see answer by solver91311(24713)

Question 1047250: x+yi=1+2i finde the value ofx and y
Click here to see answer by stanbon(75887)

Question 1047250: x+yi=1+2i finde the value ofx and y
Click here to see answer by ikleyn(52776)

Question 1047250: x+yi=1+2i finde the value ofx and y
Click here to see answer by MathLover1(20849)

Question 1047300: How can i simplify: g(x+3)= 3(x+3)+6�(x+3)+1
Click here to see answer by MathLover1(20849)

Question 1047310: How can I simplify: g(x+3)=(3(x+3)+6)�(x+3+1)
I accidentally typed the wrong problem earlier. If some could help me, I would be very grateful.
I tried to do it myself and got: g(x+3)=3+(15�4)
I am not sure where I went wrong.
Click here to see answer by MathLover1(20849)

Question 1047303: How can I simplify: g(x+3)=(3(x+3)+6)�((�+3)+1)
Click here to see answer by jim_thompson5910(35256)

Question 1047329: The function g is defined by g(x)=x^2-2x Find g(2a)

The part where I should simplify is what I do not understand.
what I did is: g(2a)=(2a)^2-2(2a)
g(2a)=4a-4a
g(2a)=0

Another tutor answered my question and he said the answer was: g(2a)=4a^2-4a
He did not explain how he go the answer so I am still so very confused.
Click here to see answer by josgarithmetic(39616)

Question 1047279: In 2003, the population of an African country was about 25.5 million people, which is 2 million more than 5 times the population in 1950.

Whats the population p (in millions) in 1950?

Click here to see answer by advanced_Learner(501)

Question 1047337: What is the quotient for this equation:
(v^2-16v+119)/(v-8)
Thank you for any help.
Click here to see answer by josgarithmetic(39616)

Question 1047337: What is the quotient for this equation:
(v^2-16v+119)/(v-8)
Thank you for any help.
Click here to see answer by Alan3354(69443)

Question 1046714: simplify 3a/a+3 - (a-4)/(a-2)
Click here to see answer by josgarithmetic(39616)

Question 1047346: Can someone help me with this one:
Perform the indicated operation and simplify:
(2n+7)/(n-1) - (8n)/(n+5)
Thank you in advance for the help. It's homework and I am getting stuck.
Click here to see answer by josgarithmetic(39616)

Question 1047347: Problem to solve and simplify. Thanks for the help.
(3)/(x^2-4) = (2)/(x+2) + (x)/(x-2)
Thanks.

Click here to see answer by josgarithmetic(39616)

Question 1047387:
Click here to see answer by Alan3354(69443)

Question 1047402: Multiply 5x(2x-3y)

Click here to see answer by Alan3354(69443)

Question 1047406: Solve for x. No decimals accepted.
2/3x + 4 = 4(3x - 8)
Click here to see answer by Alan3354(69443)

Question 1047435: -3(3x+15)-(10+x)=35 can you please walk me through the steps of this math problem. We seem to keep getting an answer that is 1 digit off.
Click here to see answer by MathLover1(20849)

Question 1047477: -2 times the quantity q minus three
Click here to see answer by ewatrrr(24785)

Question 1047565: Movers charge$105plus$30 per hour. Hanks movers charges $45 per hour. It cost less to hire hanks movers for times less than ____ hours
Click here to see answer by Boreal(15235)

Question 1047603: Hello can you please check if i understood this equation below:
4a-(3-a)=17
4a-3-a=17
4a-a(-3)=17
3a+-3=17+-3
a=14
Click here to see answer by Fombitz(32388)

Question 1047600: A printing service charges a set-up fee of $14.25 for each order and 8 cents more for each copy.
The Total cost, C (in dollars), for an order of x copies is given by the following.
C = 0.08x+14.25 What is the total cost for an order of 40 copies?
Thank you!
Click here to see answer by ikleyn(52776)

Question 1047625: The product of two consecutive whole numbers is equal to the sum of the square of the smaller number and 13.
Click here to see answer by ikleyn(52776)

Question 1047635: Solve.
8x-3<8(x+2)
can you please show steps to the solution
Click here to see answer by Boreal(15235)

Question 1047640: Find the value of the remaining variable? A = 1/2bh; A = 42, b = 7
Click here to see answer by Alan3354(69443)

Question 1047640: Find the value of the remaining variable? A = 1/2bh; A = 42, b = 7
Click here to see answer by solver91311(24713)

Question 1047630: Solve the given equation for x.
5(2x-1)-2(3x)=-4(x-4).
can you please show steps

Click here to see answer by Alan3354(69443)

Question 1047637: Solve the equation for x and check.
(3x-5)/18+x=(3x+5)/3+1
can you please show work
Click here to see answer by Boreal(15235)

Question 1047633: Solve.
2(x-1)≥2x+10
can you please solve with steps

Click here to see answer by stanbon(75887)

Question 1047633: Solve.
2(x-1)≥2x+10
can you please solve with steps

Click here to see answer by solver91311(24713)

Question 1047638: 4x+10=2x-5
Click here to see answer by ewatrrr(24785)

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, 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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, 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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