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

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



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

We move all terms to the left:

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



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

-4v+2(v+4)

We multiply parentheses

-4v+2v+8

We add all the numbers together, and all the variables

-2v+8

Back to the equation:

-(-2v+8)



We get rid of parentheses

2v-8+20=0

We add all the numbers together, and all the variables

2v+12=0

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

2v=-12

v=-12/2

v=-6

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