4=-8v+4(v-7)

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Solution for 4=-8v+4(v-7) equation: 



4=-8v+4(v-7)

We move all terms to the left:

4-(-8v+4(v-7))=0



We calculate terms in parentheses: -(-8v+4(v-7)), so:

-8v+4(v-7)

We multiply parentheses

-8v+4v-28

We add all the numbers together, and all the variables

-4v-28

Back to the equation:

-(-4v-28)



We get rid of parentheses

4v+28+4=0

We add all the numbers together, and all the variables

4v+32=0

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

4v=-32

v=-32/4

v=-8

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