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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

2v-7(-3v-7)-(7v-31)=0

We multiply parentheses

2v+21v-(7v-31)+49=0

We get rid of parentheses

2v+21v-7v+31+49=0

We add all the numbers together, and all the variables

16v+80=0

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

16v=-80

v=-80/16

v=-5

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