-13-x=x+7-8

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Solution for -13-x=x+7-8 equation: 



-13-x=x+7-8

We move all terms to the left:

-13-x-(x+7-8)=0

We add all the numbers together, and all the variables

-x-(x-1)-13=0

We add all the numbers together, and all the variables

-1x-(x-1)-13=0

We get rid of parentheses

-1x-x+1-13=0

We add all the numbers together, and all the variables

-2x-12=0

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

-2x=12

x=12/-2

x=-6

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