Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 613352: 10(x+2)=9(x-3)+x
Click here to see answer by jim_thompson5910(28595)

Question 613348: 5(x-4)+x=6(x-2)-8
Click here to see answer by jim_thompson5910(28595)

Question 613346: 4(x+2)+4=4x-8
Click here to see answer by jim_thompson5910(28595)

Question 613369: If I rewrite the equation y+7x=8 in function form, is the answer y=8-7x
Click here to see answer by jim_thompson5910(28595)

Question 613551: -10p+8=7p+12
Click here to see answer by jim_thompson5910(28595)

Question 613585: Please help me solve this equation:
7/5a-8=7
Click here to see answer by Maths68(1474)

Question 613476: the sum of three consecutive multiples of 5 is 90. find the numbers.

Click here to see answer by Charles1947(18)

Question 613482: chucks overtime wage is $3 per hour more than his regular hourly hourly wage. he worked for 5 hours at his regular wage and 4 hours at the overtime wage. he earned $66. find his regular wage.
Click here to see answer by Charles1947(18)

Question 613677: v=9j/j-8q please explain how to solve for j
Click here to see answer by solver91311(16885)

Question 613677: v=9j/j-8q please explain how to solve for j
Click here to see answer by ewatrrr(10682)

Question 613692: i need to solve the equation and my number are not matching up, can you help me please
3x+2(x+4)=5(x+1)+3
Click here to see answer by jim_thompson5910(28595)

Question 613692: i need to solve the equation and my number are not matching up, can you help me please
3x+2(x+4)=5(x+1)+3
Click here to see answer by josmiceli(9678)

Question 613736: n^2-10n-24
Click here to see answer by jim_thompson5910(28595)

Question 613814: 6/5,7/10,8/15,9/20
Write a rule for the nth term
Click here to see answer by stanbon(57347)

Question 613814: 6/5,7/10,8/15,9/20
Write a rule for the nth term
Click here to see answer by scott8148(6628)

Question 613860: x^2-3x-28=0
work
x^2 - 3x = 28
x^2 - x = 28/3
Click here to see answer by jim_thompson5910(28595)

Question 613903: Solve by any method
1/x+1/x+2=1/3

Click here to see answer by stanbon(57347)

Question 613908: 1/1+i-1/1-i
write final result in standard form, a+bi

Click here to see answer by stanbon(57347)

Question 613946: Solve for x. 5x - 2 = 9.

Click here to see answer by jim_thompson5910(28595)

Question 614024: Solve the following system by substitution. Substitute the expression in the second equation into the first equation and solve.
5x-2y=12
x=-y+1
Click here to see answer by stanbon(57347)

Question 614023: Solve the following system by solving one of the equations for x or y and then using the substitution method.
x-5y=-12
x-3y=0

Click here to see answer by stanbon(57347)

Question 614305: Please help me solve this equation: 5.8=x-72
Click here to see answer by stanbon(57347)

Question 614497: simplify -3(-4x+u)-2(5u-6x)

Click here to see answer by rfer(12660)

Question 614535: Find the choice below which gives a first step in solving the given system of equations by the addition method.
2x -3 y= 7
X-4y = 2
Do you; multiply the first equation by 3 and the second by 4
- multiply the first equation by -4 and the second by -2
-Multiply the second equation by 2
- Multiply the first equation by 4
Click here to see answer by sophxmai(60)

Question 614269: how do you solve a problem that is 21 -Z divided by 3 = 5? please also give the answer, thanks.

Click here to see answer by ankor@dixie-net.com(15652)

Question 614580: Please help me solve this word problem using the Pythagorean Theorem: Dirk rowed a boat across a river 225 feet wide. A strong current carried his boat 400 feet downstream as he rowed. Find x, the distance Dirk actually rowed to the nearest foot.
I tried doing: a^2 + b^2 = c^2 and ended up getting sqrt of 306 as my answer.. which isn't right.
Click here to see answer by nerdybill(6958)

Question 614617: A car travels at a constant speed of 15m/s. How many miles does the car travel in 15 sec
Click here to see answer by Theo(3464)

Question 614662: If y=x over x2-9, what is the value of y when x = -3 ?
Click here to see answer by rapaljer(4667)

Question 614689: (t+5)^2=4
(t+5)^2-4=0
t = -7 or -3
Please explain how you come up with this answer?
Click here to see answer by Alan3354(30993)

Question 614830:
If 6x - 9x + 1 = 10 What is x?
Could someone please walk me through this?
Click here to see answer by rfer(12660)

Question 614901: What is the answer to 8(0.5+3y)-20 more than equal to 9(y-4)??
Click here to see answer by Alan3354(30993)

Question 614917: Find the peripendicular to x=2 and passing through (3,-7) What will be the equation
Click here to see answer by josmiceli(9678)

Question 614917: Find the peripendicular to x=2 and passing through (3,-7) What will be the equation
Click here to see answer by Alan3354(30993)

Question 614858: 28 = 10a - 5a - 2
Click here to see answer by rfer(12660)

Question 614950: Simplify this algebraic expression. 4x – 7x –(-2x)
Click here to see answer by ashipm01(26)

Question 614958: Solve the system of equations (find the values for both x and y).
3x - 2y = -8
x + 3y = 1
Do I * top and bottom by 3?
Click here to see answer by Maths68(1474)

Question 615024: x+y=-8
y=2x+7
Click here to see answer by nerdybill(6958)

Question 615046: 8921=e^5x
Click here to see answer by jim_thompson5910(28595)

Question 615041: 4(4b-5) just to see if we are on the right track
Click here to see answer by jim_thompson5910(28595)

Question 614400: -2(5+6m)+16=-90
Click here to see answer by jim_thompson5910(28595)

Question 615049: You need to arrange 7 of your favorite books along a small shelf. How many different ways can your arrange the books? Assuming that the order of the books makes a difference to you.
Click here to see answer by jim_thompson5910(28595)

Question 614266: how do you solve a problem that is 21 -Z divided by 3 = 5?
Click here to see answer by asuar010(324)

Question 615085: I am having such a hard time understanding these, can you please help me quick!Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-3x + 4y = 1
-6x + 6y = -3
Click here to see answer by scott8148(6628)

Question 615091: HELP!!! how to solve equations like.. -w + 2(5w - 6) - 4w = -3(-w - 10)

Click here to see answer by stanbon(57347)

Question 615087: four times the quanity, t minus 7
Click here to see answer by asuar010(324)

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, 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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