-9=-8x-2+7x

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Solution for -9=-8x-2+7x equation: 



-9=-8x-2+7x

We move all terms to the left:

-9-(-8x-2+7x)=0

We add all the numbers together, and all the variables

-(-1x-2)-9=0

We get rid of parentheses

1x+2-9=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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