4=-7v+5(v+4)

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Solution for 4=-7v+5(v+4) equation: 



4=-7v+5(v+4)

We move all terms to the left:

4-(-7v+5(v+4))=0



We calculate terms in parentheses: -(-7v+5(v+4)), so:

-7v+5(v+4)

We multiply parentheses

-7v+5v+20

We add all the numbers together, and all the variables

-2v+20

Back to the equation:

-(-2v+20)



We get rid of parentheses

2v-20+4=0

We add all the numbers together, and all the variables

2v-16=0

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

2v=16

v=16/2

v=8

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