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

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



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

We move all terms to the left:

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



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

-7v+2(v+7)

We multiply parentheses

-7v+2v+14

We add all the numbers together, and all the variables

-5v+14

Back to the equation:

-(-5v+14)



We get rid of parentheses

5v-14-31=0

We add all the numbers together, and all the variables

5v-45=0

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

5v=45

v=45/5

v=9

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