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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(8(v+3)-3v), so:

8(v+3)-3v

We add all the numbers together, and all the variables

-3v+8(v+3)

We multiply parentheses

-3v+8v+24

We add all the numbers together, and all the variables

5v+24

Back to the equation:

-(5v+24)



We get rid of parentheses

-5v-24-21=0

We add all the numbers together, and all the variables

-5v-45=0

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

-5v=45

v=45/-5

v=-9

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