-7v+31=-3(v-1)

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Solution for -7v+31=-3(v-1) equation: 



-7v+31=-3(v-1)

We move all terms to the left:

-7v+31-(-3(v-1))=0



We calculate terms in parentheses: -(-3(v-1)), so:

-3(v-1)

We multiply parentheses

-3v+3

Back to the equation:

-(-3v+3)



We get rid of parentheses

-7v+3v-3+31=0

We add all the numbers together, and all the variables

-4v+28=0

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

-4v=-28

v=-28/-4

v=+7

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