Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 24240: what is the formula for solving equation -50t+10=35?
Click here to see answer by AnlytcPhil(1277)

Question 24213: r-6r^2 =-1
Click here to see answer by Alwayscheerful(414)

Question 24267: how do i find the value of "y"
-7y - 2 = 68
Click here to see answer by snowwolf11(1)

Question 24318: hi, I need your help with multi-step equations with fractions!
The problem is 3/4(b+8)=15. I have gotten as far as 3/4 times b. Please help!
Click here to see answer by elima(1433)

Question 24355: Please help with the following problems. Thank you
(3b+2/3)(6b-1/3)
4xy³(2x-y)(3x+y)
Click here to see answer by AnlytcPhil(1277)

Question 24361: b+7b=9
Click here to see answer by AnlytcPhil(1277)

Question 24415: 5/6+ 1/3 + 1/4=
Click here to see answer by piglet162431(90)

Question 24415: 5/6+ 1/3 + 1/4=
Click here to see answer by elima(1433)

Question 24333: Help please with these 2 problems. I have to add or subtract. Thanks in advance.
(q^4-2q^2+10)-(3q^4+5q^2-5)
(4k^3+k^2+k)+(2k^3-4k^2-3k)
Click here to see answer by piglet162431(90)

Question 24349: I need help with one problem using the distributive property.
(4y+3)(y²+3y+1)
Click here to see answer by askmemath(368)

Question 24457: Express as a polynomial
(2x+10y)^3
Click here to see answer by AnlytcPhil(1277)

Question 24350: If possible I need help with the following problems. Thank you for your help.
(5-6y)(3y²-y-7)
and
Office Space: The length of a professors office is x feet, and the width is x+4 feet. Write the polynomial that represents the area. Find the area if x=10ft

Click here to see answer by Earlsdon(6287)

Question 24348: -2y-3(y+1) = -(5y+3)+ y

Click here to see answer by yhtong(11)

Question 24480: wat is:
7x-2=x+16
Click here to see answer by music974(43)

Question 24501: how do you solve two-step equations. Can you give me an example using a two-step equation involving a fraction?
Click here to see answer by elima(1433)

Question 24560: I am having difficulty with 2 step equations reading the wording and then translating it to numbers. question:
The difference of 8 and the quotient of a number and 6 is 9.
this is what I tried x divided by 8 +6=9 and my answer was x=24 am I correct

thanks in advance
Dave H.
Click here to see answer by Earlsdon(6287)

Question 24491: write in standard form 7x-2=3y+8
Click here to see answer by elima(1433)

Question 24625: i have homework but i can't figure it out. please help i'll give you the problem to see if you can figure it out. i have the answer just not the actual work. please help. here it is.
2y + 7 = y
the answer is y = -7 but i can't get how to get to the answer Help!it seems so simple but i just can't get it

Click here to see answer by stanbon(57361)

Question 24626: (5y-4)(-3)+y
Click here to see answer by rahman(247)

Question 24628: hi it's me again you must be thinking "man, this girl is dumb" yeah well you wouldn't be the first to think or say that. but anyway back to my Q it is
11.7 + -2x = x
the answer is 3.9 = x i didn't do the work on this one either. please help!i don't c how you can get to the answer although it's probabl so simple but that wouldn't suprise me i totally SUCK @ math well Cya
signed a very troubled 8th grader.
Click here to see answer by stanbon(57361)

Question 24669: How do you do problems like 2 to the 3rd power x 2 to the 2nd power? Also how do u do x to the 5th power x x to the 2nd power?
Click here to see answer by stanbon(57361)

Question 24695: i am trying to help 9th grader with homework... please help with this problem so that hopefully she can understand:
3n/4 + 8 = -7
Click here to see answer by algebrapro18(206)

Question 24695: i am trying to help 9th grader with homework... please help with this problem so that hopefully she can understand:
3n/4 + 8 = -7
Click here to see answer by elima(1433)

Question 24725: what is
Click here to see answer by rapaljer(4667)

Question 24724: what is
Click here to see answer by rapaljer(4667)

Question 24734: I REALLY NEED HELP WITH THESE QUESTIONS, ITS DUE TOMORROW AND I CANT SEEM TO GET THE ANSWERS TO THESE PROBELMS.. THANKS!
1) y=-3(x+5)^2-4
a)Find the cordinates of the vertex
b)Find the equation of the axis of symmetry
c)Find the equation
-
2) Write in vertex form
y=2x^2+12x-3
-
3)For the quadrate relation 2x^2+x-15=0
a)Determine the number of roots
b)Solve
-
4)Describe and transform y=x^2 to obtain the graph of y=1/2(x+6)^2+12
-
5)Graph the following quadratic below
a)y=(x+2)^2-1
b)y=-2(x+3)^2
Click here to see answer by stanbon(57361)

Question 24718: a-1/3=2/3
Click here to see answer by Alwayscheerful(414)

Question 24717: c-25=19
Click here to see answer by Alwayscheerful(414)

Question 24716: -3d=-63
Click here to see answer by Alwayscheerful(414)

Question 24715: a+4=9.6
Click here to see answer by Alwayscheerful(414)

Question 24760: 3(x-6)+4=5(x+2)-8
Click here to see answer by Alwayscheerful(414)

Question 24770: Having trouble with this one. This is as far as I got in solving this literal equation:
Solve:S=2wh+2wl+2lh,solve for h
S-2wh-2wl=2lh
but then I got confused because the answer is h= s-2wl/2w+2l
Can you please help me figure out how they got to this answer?

Click here to see answer by longjonsilver(2297)

Question 24769: Having trouble solving this one because the answer is n=pv/rt
PV=nRT, solve for t
Can you help solve or is this a typo? Solving for t but answer is n=?
Click here to see answer by longjonsilver(2297)

Question 24791: Im not sure what I did wrong because my signs are different than the answers.
equation a(p-3t)=d, solve for t
I did:
ap-3ta=d
-3ta=d-ap
my answer: t= d-ap/-3a
the answer: t=ap-d/3a
Why do the signs change and does the order of the terms have to be in a certain order?

Click here to see answer by stanbon(57361)

Question 24814: A computer repair bill was $225. This included $75 for parts and $50 for each hour of labor. Find the number of hours of labor.
Click here to see answer by Paul(988)

Question 24814: A computer repair bill was $225. This included $75 for parts and $50 for each hour of labor. Find the number of hours of labor.
Click here to see answer by chripchrip(6)

Question 24817: A sailing race takes place on a 300m course. The second leg of the course is 100 m
longer that the first and the third leg is 100 m longer than the second. How long is the second leg?
Neil is 4 years older that Andrea If Neil was twice as old as Andrea four years ago how old was Andrea?
Twicw the sum of two consecutive integers is 42. What are the two integers?
Click here to see answer by Paul(988)

Question 24807: How do I do Elimination using multiplication. I'm in the 9th grade my book is the Glencoe Mathematics Algebra 1. Can you please help me and e-mailme back explaining this to me in detail thanks ALOT this website is very helpful and agai thanks alot. from Christina 1-18-06 PLEASE EXPLAIN VERY DETAILED thanks.

Click here to see answer by elima(1433)

Question 24804: How do I do Elimination using Multiplacation? It is a bunch of numbers and letters with signs and I don't understand it at all. Can you help me?
Click here to see answer by elima(1433)

Question 24824: Help me!!! 7+6z=8z-13
Click here to see answer by elima(1433)

Question 24835: x^y=343 and x and y are integers between 1 and 10. Find x and y.
Click here to see answer by Earlsdon(6287)

Question 24723: what is (3x to the 3th power) (5x to the 10th power)
Click here to see answer by Earlsdon(6287)

Question 24825: 12p=6-3p
Click here to see answer by elima(1433)

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