Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 618630: Three years ago, Tom was three times as old as Paul will be in seven years time. If Paul is 20 years of age now, how old is Tom?

Click here to see answer by lwsshak3(11628)

Question 618747: How do I write an algebraic expression for one fourth of a number plus one third of a different number?
Click here to see answer by richwmiller(17219)

Question 618747: How do I write an algebraic expression for one fourth of a number plus one third of a different number?
Click here to see answer by Alan3354(69443)

Question 618763: 10 x 10 (not sure how to put a small 2 and 8 by both of the tens)
is 8000 correct
simplify answer
Click here to see answer by ewatrrr(24785)

Question 618763: 10 x 10 (not sure how to put a small 2 and 8 by both of the tens)
is 8000 correct
simplify answer
Click here to see answer by fjenkins(1)

Question 618523: the smaller of 2 numbers is three less than the larger. twice the larger plus four times the smaller is 36. find both numbers
Click here to see answer by scott8148(6628)

Question 618525: Lauren, Michael and Quinn entered a pie-eating contest. Lauren ate twice the pies that Michael ate and Quinn ate four more pies than Michael. If Lauren and Quinn ate the same amount of pies, how many pies did each person eat?
Click here to see answer by scott8148(6628)

Question 618880: What is the answer to x/9=5/6?
Click here to see answer by rfer(16322)

Question 618969: what is Value of x; when x3-x=990
Click here to see answer by ewatrrr(24785)

Question 619008: what is a good three minute lesson for an eighth grader using algebra equations?

Click here to see answer by solver91311(24713)

Question 619091: Solve the following equation. Solve for X.
-x/10 = =-8/3
Click here to see answer by stanbon(75887)

Question 619137: 2x-3(3x-5)=-6
how would you solve that equation
Click here to see answer by jim_thompson5910(35256)

Question 619240: Please help with this problem.
Tawny found $1.95 in quarters and dimes in the chair cushions. There were four times as many dimes as quarters. How many dimes and quarters did she find?
This is what I have so far:
0.20d+0.75d+100=1.95
0.95*4=3.8
This is where i got lost.
Thanks for your help,
Janice
Click here to see answer by Theo(13342)

Question 619306: how do you solve this is -2=4(2+v/4)

Click here to see answer by ankor@dixie-net.com(22740)

Question 619434: 45=7x-4 solve equation

Click here to see answer by jim_thompson5910(35256)

Question 619446: 424 = x^2 + 36x...
Click here to see answer by jim_thompson5910(35256)

Question 618246: x/5=-10+3
Click here to see answer by Eezzdboy(5)

Question 618115: what is the equation for this word statement twice a number is equal to eight times more than three times the number
Click here to see answer by Eezzdboy(5)

Question 618057: -8(4 + 9x) = 7(-2 - 11x)

Click here to see answer by Eezzdboy(5)

Question 617820:

(x^2-(9x+5)/(x^2+1x+6) + (3x^2-6-6x)/(-6-1x-x^2)=A/B
A=
B=
Click here to see answer by Eezzdboy(5)

Question 617827:
Simplify the expression 5/(x-1) � 2/(x+1) over x/(x-1) + 1/(x+1) =A/B
Your answer for A is
Your answer for B is

Click here to see answer by Eezzdboy(5)

Question 619627: solve without cube

Click here to see answer by dragonwalker(73)

Question 619656: Write this statement out as an equation and solve.
Two thirds the sum of 30 and a number is 26.

Click here to see answer by varun(12)

Question 619654: Write this statement out as an equation and solve.
The number of minutes in an hour is the same as a number times three, minus 3.

Click here to see answer by stanbon(75887)

Question 619672: solve the equation. 2x/5 - x/3 = 5

Click here to see answer by ewatrrr(24785)

Question 619651: Solve the following problem. Round answer to two decimal places when necessary.
E=120
I=3.5
R=E*I
R=
Click here to see answer by ewatrrr(24785)

Question 619795: 6.
One bus left Denver at 3 pm going west at 40 mph and another left at 5 pm going west at 60 mph. How many hours will it take the second bus to catch up to the first? Round to the nearest tenth if necessary.
Click here to see answer by vleith(2983)

Question 619804: Solve the problem by stating the equation you would use to solve and then solving it. Be sure to show all of your work.
After receiving a discount of 12.5% on its bulk order of printer paper, Johns� Office Supply pays $3200. What was the price of the order before the discount? Round to the nearest dollar.

Click here to see answer by ewatrrr(24785)

Question 619868: 2x-[3x-(1-2x)] What are the steps to solve this?

Click here to see answer by Alan3354(69443)

Question 619889: how to solve 3y/4 = 15

Click here to see answer by Alan3354(69443)

Question 619927: Hello. I am sorry for the bother, but please help me. During the summer, I must study algebra so that I can (re)take the test for this one charter school. However, because I am so bad at math, I cannot complete this alone. For today, I just need help understanding the whole concept of "equations". Particulary, I need help on simple things like 3x+6=30... solve for x. Again, I am very sorry for this immediate disturbance. I have tried +6 on both sides, but I do not know what to do next. I must pass their test. Yet, I am still stuck on this simple problem... please help! Thank you.
Click here to see answer by jim_thompson5910(35256)

Question 1758: I'm taking an algebra class for the first time in years and cannot remember how to solve this:i had got this answer x=6.

The answer should be 6 but i can't figure out how to solve. Thanks for any help.

Click here to see answer by lenny460(1073)

Question 620149: I did the work for this one, it basically came down to me getting a LCD of 60 and the answer I ended up with was x=-5/2. I just want to check to make sure this is correct.

Click here to see answer by stanbon(75887)

Question 620151:
Click here to see answer by ewatrrr(24785)

Question 620152: x/(x-3)=(2x+5)/(x+1)
Click here to see answer by ewatrrr(24785)

Question 620096: Find th equation of the line below.If necessary, use a slash to indicate a division bar..
(2,14) (1,7)
Click here to see answer by math-vortex(648)

Question 620352: Please help me solve this question: Write a point-slope equation for the line that passes through the point (11, 16) and is parallel to the line given by y = 9x + 41. Do not use parenthesis on the y side.
Click here to see answer by dragonwalker(73)

Question 620391: when adding 0.5 and 1.2 i'm getting 2.0
instead of 1.7
how can I solve it?
Click here to see answer by lenny460(1073)

Question 620461: Please tell me HOW TO WRITE THE EQUATION FOR THIS PROBLEM:
The Alexanders bought 9 movie tickets for a total cost of $30.00. Each child's ticket costs $2 and each adult's ticket costs $4. How many child's tickets did the Alexanders buy?
Click here to see answer by ewatrrr(24785)

Question 620390: P=(A-U)/(L) Solve for U
Click here to see answer by lynnlo(4176)

Question 620541: given: 3x-8 = -1 and -5x + 8y = 7, solve for x and y
A. (5,2)
B. (-3, -1)
C. (13, 5)
D. (3, -1)
I know the answer is B but I do not know how to reach that solution.

Click here to see answer by ewatrrr(24785)

Question 620519: How do I simplify
y=-X/2+4
Click here to see answer by Alan3354(69443)

Question 620643: can you help me solve:
3-2(3-g) = 4(3+2g) -3g
Click here to see answer by nerdybill(7384)

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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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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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