-31=-2x+7(x-3)

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Solution for -31=-2x+7(x-3) equation: 



-31=-2x+7(x-3)

We move all terms to the left:

-31-(-2x+7(x-3))=0



We calculate terms in parentheses: -(-2x+7(x-3)), so:

-2x+7(x-3)

We multiply parentheses

-2x+7x-21

We add all the numbers together, and all the variables

5x-21

Back to the equation:

-(5x-21)



We get rid of parentheses

-5x+21-31=0

We add all the numbers together, and all the variables

-5x-10=0

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

-5x=10

x=10/-5

x=-2

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