-9x=-8-7x

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



-9x=-8-7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-9x+7x+8=0

We add all the numbers together, and all the variables

-2x+8=0

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

-2x=-8

x=-8/-2

x=+4

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