9(x+1)=7x+7

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Solution for 9(x+1)=7x+7 equation: 



9(x+1)=7x+7

We move all terms to the left:

9(x+1)-(7x+7)=0

We multiply parentheses

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

We get rid of parentheses

9x-7x-7+9=0

We add all the numbers together, and all the variables

2x+2=0

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

2x=-2

x=-2/2

x=-1

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