3v+21=8(v+7)

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Solution for 3v+21=8(v+7) equation: 



3v+21=8(v+7)

We move all terms to the left:

3v+21-(8(v+7))=0



We calculate terms in parentheses: -(8(v+7)), so:

8(v+7)

We multiply parentheses

8v+56

Back to the equation:

-(8v+56)



We get rid of parentheses

3v-8v-56+21=0

We add all the numbers together, and all the variables

-5v-35=0

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

-5v=35

v=35/-5

v=-7

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