4=-2v+7(v+3)

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Solution for 4=-2v+7(v+3) equation: 



4=-2v+7(v+3)

We move all terms to the left:

4-(-2v+7(v+3))=0



We calculate terms in parentheses: -(-2v+7(v+3)), so:

-2v+7(v+3)

We multiply parentheses

-2v+7v+21

We add all the numbers together, and all the variables

5v+21

Back to the equation:

-(5v+21)



We get rid of parentheses

-5v-21+4=0

We add all the numbers together, and all the variables

-5v-17=0

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

-5v=17

v=17/-5

v=-3+2/5

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