20=-7v+5(v+8)

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Solution for 20=-7v+5(v+8) equation: 



20=-7v+5(v+8)

We move all terms to the left:

20-(-7v+5(v+8))=0



We calculate terms in parentheses: -(-7v+5(v+8)), so:

-7v+5(v+8)

We multiply parentheses

-7v+5v+40

We add all the numbers together, and all the variables

-2v+40

Back to the equation:

-(-2v+40)



We get rid of parentheses

2v-40+20=0

We add all the numbers together, and all the variables

2v-20=0

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

2v=20

v=20/2

v=10

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