-3v-21=6(v+7)

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Solution for -3v-21=6(v+7) equation: 



-3v-21=6(v+7)

We move all terms to the left:

-3v-21-(6(v+7))=0



We calculate terms in parentheses: -(6(v+7)), so:

6(v+7)

We multiply parentheses

6v+42

Back to the equation:

-(6v+42)



We get rid of parentheses

-3v-6v-42-21=0

We add all the numbers together, and all the variables

-9v-63=0

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

-9v=63

v=63/-9

v=-7

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