-20=-8v+4(v+2)

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Solution for -20=-8v+4(v+2) equation: 



-20=-8v+4(v+2)

We move all terms to the left:

-20-(-8v+4(v+2))=0



We calculate terms in parentheses: -(-8v+4(v+2)), so:

-8v+4(v+2)

We multiply parentheses

-8v+4v+8

We add all the numbers together, and all the variables

-4v+8

Back to the equation:

-(-4v+8)



We get rid of parentheses

4v-8-20=0

We add all the numbers together, and all the variables

4v-28=0

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

4v=28

v=28/4

v=7

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