SOLUTION: (7x)/(x-2)+(2x)/(x+2)=9 what are the steps to solve this

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Question 604198: (7x)/(x-2)+(2x)/(x+2)=9
what are the steps to solve this
Answer by mananth(12270) About Me  (Show Source):
You can put this solution on YOUR website!
%28%287x%29%2F%28x-2%29%29%2B%28%282x%29%2F%28x%2B2%29%29=9

LCD = (x-2)(x+2)= x^2-4
Multiply equation by the LCD
7x%28x%2B2%29%2B2x%28x-2%29=9%28x%5E2-4%29

7x%5E2%2B14x%2B2x%5E2-4x=9x%5E2-36
7x%5E2%2B2x%5E2-9x%5E2%2B10x=-36
10x=-36
x= -3.6