-21=-7(v+5)

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Solution for -21=-7(v+5) equation: 



-21=-7(v+5)

We move all terms to the left:

-21-(-7(v+5))=0



We calculate terms in parentheses: -(-7(v+5)), so:

-7(v+5)

We multiply parentheses

-7v-35

Back to the equation:

-(-7v-35)



We get rid of parentheses

7v+35-21=0

We add all the numbers together, and all the variables

7v+14=0

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

7v=-14

v=-14/7

v=-2

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