6v+21=3(v+9)

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Solution for 6v+21=3(v+9) equation: 



6v+21=3(v+9)

We move all terms to the left:

6v+21-(3(v+9))=0



We calculate terms in parentheses: -(3(v+9)), so:

3(v+9)

We multiply parentheses

3v+27

Back to the equation:

-(3v+27)



We get rid of parentheses

6v-3v-27+21=0

We add all the numbers together, and all the variables

3v-6=0

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

3v=6

v=6/3

v=2

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