3v+21=2v+4(v+6)

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Solution for 3v+21=2v+4(v+6) equation: 



3v+21=2v+4(v+6)

We move all terms to the left:

3v+21-(2v+4(v+6))=0



We calculate terms in parentheses: -(2v+4(v+6)), so:

2v+4(v+6)

We multiply parentheses

2v+4v+24

We add all the numbers together, and all the variables

6v+24

Back to the equation:

-(6v+24)



We get rid of parentheses

3v-6v-24+21=0

We add all the numbers together, and all the variables

-3v-3=0

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

-3v=3

v=3/-3

v=-1

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