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May 24, 2013

# Homework Help: algebra

Posted by Ashly on Friday, September 17, 2010 at 7:26pm.

I need to solve the following equation for the variable x.
4/x-2+1/x+2=7x/x^2-4

• algebra - Reiny, Friday, September 17, 2010 at 10:16pm

I have a feeling you meant to type
4/(x-2) + 1/(x+2) = 7x/(x^2-4)

in that case, multiply each term by x^2-4 to get
4(x+2) + (x-2) = 7x
4x + 8 + x - 2 = 7x
-2x = -6
x = 3

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