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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(5(v+9)), so:

5(v+9)

We multiply parentheses

5v+45

Back to the equation:

-(5v+45)



We get rid of parentheses

-7v-5v-45+21=0

We add all the numbers together, and all the variables

-12v-24=0

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

-12v=24

v=24/-12

v=-2

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