2v+21=-7(v+6)

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Solution for 2v+21=-7(v+6) equation: 



2v+21=-7(v+6)

We move all terms to the left:

2v+21-(-7(v+6))=0



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

-7(v+6)

We multiply parentheses

-7v-42

Back to the equation:

-(-7v-42)



We get rid of parentheses

2v+7v+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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