9+9=x-7

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Solution for 9+9=x-7 equation: 



9+9=x-7

We move all terms to the left:

9+9-(x-7)=0

We add all the numbers together, and all the variables

-(x-7)+18=0

We get rid of parentheses

-x+7+18=0

We add all the numbers together, and all the variables

-1x+25=0

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

-x=-25

x=-25/-1

x=+25

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