9(x+4)+5(x+4)=7x-7

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Solution for 9(x+4)+5(x+4)=7x-7 equation: 



9(x+4)+5(x+4)=7x-7

We move all terms to the left:

9(x+4)+5(x+4)-(7x-7)=0

We multiply parentheses

9x+5x-(7x-7)+36+20=0

We get rid of parentheses

9x+5x-7x+7+36+20=0

We add all the numbers together, and all the variables

7x+63=0

We move all terms containing x to the left, all other terms to the right

7x=-63

x=-63/7

x=-9

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