Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 236248: 7-4c=10c and also 2/3(6c+3)=6(c-3)
Click here to see answer by stanbon(75887)

Question 236315: Solve the equation
9y+5-2y= 2y+5-y+3
Click here to see answer by stanbon(75887)

Question 236314: Solve each equation
2(t-4)= 3-(3t+1)
Click here to see answer by stanbon(75887)

Question 236035: can you help me factor
4x^3+4x^2y-24xy^2
Click here to see answer by Theo(13342)

Question 236395: what is negative 3 over 5 multiplied by a number equal to 30
Click here to see answer by Theo(13342)

Question 236395: what is negative 3 over 5 multiplied by a number equal to 30
Click here to see answer by checkley77(12844)

Question 236399: LCD to determine which fraction is greater.
5

12
, 7

11

Click here to see answer by stanbon(75887)

Question 236415: Please help me solve this equation: 3n+2n-1=180

Click here to see answer by Jeff Gordon(65)

Question 236409: A perpendicular bisector of a triangle always, sometimes, or never passes through the midpoint of a side of a triangle?
Click here to see answer by Edwin McCravy(20054)

Question 236460: Solve for the variable a.
D=a/2(2t-1)

(a/2 is a fraction with the numerator being a and the denominator being 2.
thank you so very much for help with this homework problem.
Click here to see answer by jim_thompson5910(35256)

Question 236455: 8-y/2-y=y-8/y-2 I know these are equal. But why??? I have to prove why they are equal. I was thinking maybe if I multiply them by their inverses then they would both equal 1. Please help.
Click here to see answer by jim_thompson5910(35256)

Question 236444: what is the answer to this...
solve the equation:
1/2(x+8)=14

Click here to see answer by jim_thompson5910(35256)

Question 236421: 9-6(4u-1)=u+15
Click here to see answer by jim_thompson5910(35256)

Question 236420: Thank you in advance for your help
I am asked to solve the equation

Click here to see answer by jim_thompson5910(35256)

Question 236487: given the equation x=t^3, and t is measured in seconds what is x
Click here to see answer by stanbon(75887)

Question 236580: I am asked to solve and simplify
2h^3-2h^2-12h
_______________
h^2-5h+6
can top number even be factored? I couldn't factor this to know if I could continue
Thanks for your time
Click here to see answer by jim_thompson5910(35256)

Question 236582: I am asked to solve
+=
Thank you.
Click here to see answer by Edwin McCravy(20054)

Question 236636: What is 4a^2-28a=-49?
Click here to see answer by jim_thompson5910(35256)

Question 236628: solve by completing the square.

x squared + 11x = 0
Click here to see answer by checkley77(12844)

Question 236713: What is the annual benefit for a person who retires at age 64?At what retirement age does a person receive an annual benefit of $11,600? Find the slope of each line segment on the grapgh and intercept your results. Why do people who postpone retirement until 70 years of age get the highest benefit?

Click here to see answer by stanbon(75887)

Question 236726: Multiplication

______________

TIMES

______________

I factored first
2x(x-9)
_______
x(3x-2)
TIMES
5(3x-2)
__________
(x-3)(x+3)
Do I cancel out 3x-2 and left w/ LCD of x(x-3)(x+3)?
Thanks
Click here to see answer by jsmallt9(3758)

Question 236721: Divide

____________
2x+3
I rewrote numerator as (decending order)
I always have a hard time factoring these problems...could I use the AC method?
Thank you
Click here to see answer by jsmallt9(3758)

Question 236876: Are linear equations and functions the same? Why or Why not?
Click here to see answer by nyc_function(2741)

Question 236961: 11+n=-2(1-n)
Click here to see answer by RAY100(1637)

Question 236962: 2x+1=-x-4
Click here to see answer by checkley77(12844)

Question 236965: *Valuate each expression for the given value of the variable. Must Show All Work.
-Example:
26 = r x 2, if r = 13
26 = 13 x 2
26 = 26 True
1.) 6 + x = 3 1/3, if x = -3 1/2
2.) 2 + y = 9, if y = 6
3.) m/6 + -4 = 0, if m= 6
4.) y x(6+3) + 2 = 37, if y = 26
5.) 11.2 + .2 - r = 14.1, if r = 3.2
6.) 3x + 12 = 15, if x = -1
7.) F x (2+3) + 1 = 22, if F = 16
8.) 15 + 12
_________ + 6 = 15, if b = 3
b
9.) -2/5 / 1/15 + c 1/3 = -3, if c = 2
10.) 7 + (e-31) = -12, if e = -12
11.) 2/6 x 13 - k = 7, if K = 6
12.) r + 6.32 / 3 = 2.2, if r = -3
13.) -T x 5 - 6 = -23, if T = 5
14.) z + 13 / 6.5 = 7, if z = -3
Please help me ! :(
Click here to see answer by solver91311(24713)

Question 237018: Simplify 3x-5(x-5)
Click here to see answer by rfer(16322)

Question 237029: will you show me step by step please
2(12-8x)=x-11x
Click here to see answer by rfer(16322)

Question 237036: write the equation in standard form with interger coefficients
y = 1/2x + 8
write in standard form an equation of the line that passes through the two points. Use integer coefficients
(4,0),(0,5)
(0,0), (2,0)
(-4,0),(0,-5)
(9,-2),(-3,2)
Click here to see answer by rfer(16322)

Question 237077: (x/2+6)-1/6=15
Click here to see answer by unlockmath(1688)

Question 237082: (x/2+6)-1/6=15
Click here to see answer by stanbon(75887)

Question 237088: If Josh spent half of his money, then he earned $6.00 and then lost 1/6 of his money and now he has $15.00. How much did he start with? Please show work.
Click here to see answer by stanbon(75887)

Question 237095: 12=-4(-6x-3)
Click here to see answer by jim_thompson5910(35256)

Question 237137: 4a+8a=144

Click here to see answer by rfer(16322)

Question 237153: could you please help me:

c^2+9c+8
Click here to see answer by checkley77(12844)

Question 237177: please help me solve this:
5t^6-45t^5-50t^4
Click here to see answer by checkley77(12844)

Question 237180: please help me solve this:
6x^7-24x^5+12x^8
Click here to see answer by stanbon(75887)

Question 237183: please help me solve this:
2x^3+14x^2+12x
Click here to see answer by scott8148(6628)

Question 237236: 9/2x+6 = /2y(x+3
Click here to see answer by rapaljer(4671)

Question 237354: Find all integers m which y^2 + my + 50 can be factored
Click here to see answer by rapaljer(4671)

Question 237355: 6x-2=x+13
Click here to see answer by solve it!(2)

Question 237309: Write the equation for the following
a. the quotient of x+3 and 5y is the same as the product of x and Y.
b.the product of -6 and 7y is equal to 13
c. find the value of y in problem (b)
Click here to see answer by College Student(505)

Question 237435: a=p(L+rt)find r
Click here to see answer by jim_thompson5910(35256)

Question 237439: Okay, my question is as follows:
A team is to design a cover a box to hold a jigsaw puzzle. The design will use 525 square cm. The cardboard is precut to 29 cm x 33 cm. The depth of the box (x) can vary to fit the needs of your cover design. How deep should the box be in order to allow the area of 525 cm for your design? I'm puzzled at how to set up this problem...please help me! Thanks!
Click here to see answer by josmiceli(19441)

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