9v+21=-5(v-7)

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Solution for 9v+21=-5(v-7) equation: 



9v+21=-5(v-7)

We move all terms to the left:

9v+21-(-5(v-7))=0



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

-5(v-7)

We multiply parentheses

-5v+35

Back to the equation:

-(-5v+35)



We get rid of parentheses

9v+5v-35+21=0

We add all the numbers together, and all the variables

14v-14=0

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

14v=14

v=14/14

v=1

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