8v+21=5(v+6)

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Solution for 8v+21=5(v+6) equation: 



8v+21=5(v+6)

We move all terms to the left:

8v+21-(5(v+6))=0



We calculate terms in parentheses: -(5(v+6)), so:

5(v+6)

We multiply parentheses

5v+30

Back to the equation:

-(5v+30)



We get rid of parentheses

8v-5v-30+21=0

We add all the numbers together, and all the variables

3v-9=0

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

3v=9

v=9/3

v=3

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