-4x-31=8x-7

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Solution for -4x-31=8x-7 equation: 



-4x-31=8x-7

We move all terms to the left:

-4x-31-(8x-7)=0

We get rid of parentheses

-4x-8x+7-31=0

We add all the numbers together, and all the variables

-12x-24=0

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

-12x=24

x=24/-12

x=-2

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