Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 24843: 3/8x=1
Click here to see answer by Alwayscheerful(414)

Question 24826: 5/6t+4=2-1/6t
Click here to see answer by Alwayscheerful(414)

Question 24820: 4/3u-6=7/3u+8
Click here to see answer by Alwayscheerful(414)

Question 24869: Its me again. I am having trouble with this equation
w=(ma+kx)d, solve for x when the answer is x=w-mad/kd
I tried breaking down the equation but started with w-ma-d=kx
are you supposed to multiply by d even though its attached to the back? Can you please show me how this should be solved?
Click here to see answer by rapaljer(4667)

Question 24882: I can not figure out what steps to take and why to solve this equation
F=9/5C+32, solve for C
Answer: C=5/9(f-32)
Click here to see answer by elima(1433)

Question 24922: Hi. I'm trying to help a friends little sister with her homework but is been so long since Ive done this stuff I want to check my answer to make sure its right. the question is f + 3 11/12=18. Anyone who can help, it would be greatly appreciated.
Click here to see answer by josmiceli(9671)

Question 24943: I'm having difficulty figuring out the equation for this word problem from our variable equation unit:
A truck leaves a rest stop traveling at a steady rate of 56 mph. A car leaves the same rest stop 1/4 hour later, following the truck at a steady rate of 64mph. How long after the truck leaves the rest stop, will the car overtake the truck? Thank you!
Click here to see answer by Paul(988)

Question 24961: 3/x-1=5/4x-1/3x
Click here to see answer by quentin252(19)

Question 24972: I rcvd an answer to this problem earlier (24882) but the steps and the reason why are still not clear to me. This was not taught to us as a formula, but just as a regular equation. So I am not sure why you would reverse the fraction instead of multiplying everything by 5 to remove the fraction
HELP!!!
F=9/5c+32, solve for C
Click here to see answer by AnlytcPhil(1276)

Question 24978: how do you aad 2x+3y+7x+8y?
Click here to see answer by stanbon(57308)

Question 24983: How do you work out 3(y+2)=24
Click here to see answer by queenofit(120)

Question 24960: (2x^2+4y^4)/(x^2+2y^2)
Click here to see answer by rapaljer(4667)

Question 25073: how do i work out this simultaneous equation?

2x-y=4
2y+x=7
Click here to see answer by Earlsdon(6287)

Question 25078: what is the product of the first 99 terms in the sequence 1/2 2/3 3/4 4/5..?

Click here to see answer by Earlsdon(6287)

Question 25078: what is the product of the first 99 terms in the sequence 1/2 2/3 3/4 4/5..?

Click here to see answer by venugopalramana(3286)

Question 25077: What is the product of the first 99 products in the sequence 1/2 2/3 3/4 4/5...?
Click here to see answer by venugopalramana(3286)

Question 25077: What is the product of the first 99 products in the sequence 1/2 2/3 3/4 4/5...?
Click here to see answer by askmemath(368)

Question 25114: I am a parent trying to help my 8th grader. Could you please help me explain how to work this equation: 4(5c+3)-3(4c-6)=110......I think it would be
20c+12-12c+18=110 but then what do we do?
Click here to see answer by Linz(9)

Question 25262: I am a parent trying to help a 7th grader: how can I explain:
r-7 = 13
Thanks
DAwn
Click here to see answer by Earlsdon(6287)

Question 25277: Hello,
I am really struggling with a few of these equations, could you please help me out here and explain how you solved the problem? Thank you very much for your help and assistance with this matter.
Dad of 5!
1. -4+46=7(-3t+6)
2. -4(3b+9)=24+3(2b-8)
Click here to see answer by askmemath(368)

Question 25281: Solve & show steps:
5x - 5 = 3x - 7 + 2(x + 1)
Click here to see answer by stanbon(57308)

Question 25281: Solve & show steps:
5x - 5 = 3x - 7 + 2(x + 1)
Click here to see answer by AnlytcPhil(1276)

Question 25297: 21y=-7
Click here to see answer by elima(1433)

Question 25336: I whant to calcule the limit of this equation wen it tends to +infinit
lim x--> +oo(2x-1)/((4x^2+1)^1/2-(x^2-1)^1/2)
Click here to see answer by kev82(148)

Question 25372: what does it mean say if 1\9y=20? I am really struggling with this sort of problem.
Click here to see answer by rapaljer(4667)

Question 25394: please help me with this equations:1/2(x+8)=7

Click here to see answer by Died2Soon(6)

Question 25349: 3.1a - 1.8= 1.7a + 5.9
Click here to see answer by elima(1433)

Question 25231: 40=.5h(15) solve for h
Click here to see answer by elima(1433)

Question 25434: 5(x-4)=2(x+1)-7
Click here to see answer by bacos(9)

Question 25574: Evaluate this numerical expression.
14+9x2
Click here to see answer by stanbon(57308)

Question 25583: 11x-6-4x+1=9x-8-2x+12
Click here to see answer by soccerdude716(1)

Question 25582: [6(x+4)-12]-5(x-8)+14]
Click here to see answer by longjonsilver(2297)

Question 25572: 24 5/8=w+15
Click here to see answer by elima(1433)

Question 25725: -1.3+[0.5+(-0.3)+0.4]

Click here to see answer by sysadi(4)

Question 25778: If 2x-3=5, then x =?
Click here to see answer by askmemath(368)

Question 25728: 3,then braces, then bracket, 7, (x-2)+4 then bracket minus, bracket 2 (2x-5) +6.
Ok, I am having trouble with the #'s before the braces. I am unsure when to multiply these #. Also, I am having trouble with when I am to add/subtract the 7x and 4x. Also, knowing that we change the sign for everything after the negative, do we change the sign in the third step? Thank you very very much...I appreciate any help that could simplify the book illustrations. Again, Thanks
Click here to see answer by elima(1433)

Question 25818: Question: Craig is 24 years younger than his father. In 10 years, his father will be three times older than him. How old is craig and his father now?
Click here to see answer by Paul(988)

Question 25996: can you show me how to solve this equation to see if I did it right?
thanks, Ben Age 11
-2p-6=12-4p
Click here to see answer by Earlsdon(6287)

Question 25990: Could you supply me w/ numerical steps for solving equations are anything that could be helpful w/ the process of solving equations?
Example:
1. Solve between all parentheses
2.
3.
4.
5.

Click here to see answer by mathrebel(25)

Question 26029: My homework is due by tomorrow and I need assistance with this equation. HELP PLEASE
Here is the equation:
(x+3)/x - (x+4)/(x+5) = 15/(x^2+5x)
What is the LCD????
And how do I solve this equation???!!
THANKS ALOT FOR YOUR HELP!
Click here to see answer by stanbon(57308)

Question 26054: two formulas for the circumference of a circle C=2 pi r and C=pi d.If you could only rememberone of them,could you always find the circumference of a circle?explain
Click here to see answer by stanbon(57308)

Question 26070: 18 = C + 5
------
2
Click here to see answer by mathrebel(25)

Question 26083: these equations don't make any sense to me please help!
x+12=9
12+x=10
29+x=19
32-x=20
16-x=10
102+x=27
72-x=36
19+x=102
Click here to see answer by elephantsize(7)

Question 26102: f(x)=4+x/(1+2x)(1-x)^2
a) Express F(x) in partial fractions
b) Given that |x|<0.5, expand f(x) in ascending powers of x, up to and including the term x^3
Click here to see answer by venugopalramana(3286)

Question 26111: Directions: Write a system of equations that can be used to solve the problem. Then solve the system and determine the answer:
The University of Tennesee women's basketball team made 45 field goals in a recent game; some were 2-pointers and some were 3-pointers. How many 2-point baskets were made and how many 3-point baskets were made if Tennessee scored 101 points?
Click here to see answer by Paul(988)

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, 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, 25741..25785