-2v-21=-7(v+8)

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Solution for -2v-21=-7(v+8) equation: 



-2v-21=-7(v+8)

We move all terms to the left:

-2v-21-(-7(v+8))=0



We calculate terms in parentheses: -(-7(v+8)), so:

-7(v+8)

We multiply parentheses

-7v-56

Back to the equation:

-(-7v-56)



We get rid of parentheses

-2v+7v+56-21=0

We add all the numbers together, and all the variables

5v+35=0

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

5v=-35

v=-35/5

v=-7

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