-12x+4=-31-7x

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Solution for -12x+4=-31-7x equation: 



-12x+4=-31-7x

We move all terms to the left:

-12x+4-(-31-7x)=0

We add all the numbers together, and all the variables

-12x-(-7x-31)+4=0

We get rid of parentheses

-12x+7x+31+4=0

We add all the numbers together, and all the variables

-5x+35=0

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

-5x=-35

x=-35/-5

x=+7

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