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

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



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

We move all terms to the left:

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



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

-7x+2(x+2)

We multiply parentheses

-7x+2x+4

We add all the numbers together, and all the variables

-5x+4

Back to the equation:

-(-5x+4)



We get rid of parentheses

5x-4-31=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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