20=-7v+4(v+2)

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Solution for 20=-7v+4(v+2) equation: 



20=-7v+4(v+2)

We move all terms to the left:

20-(-7v+4(v+2))=0



We calculate terms in parentheses: -(-7v+4(v+2)), so:

-7v+4(v+2)

We multiply parentheses

-7v+4v+8

We add all the numbers together, and all the variables

-3v+8

Back to the equation:

-(-3v+8)



We get rid of parentheses

3v-8+20=0

We add all the numbers together, and all the variables

3v+12=0

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

3v=-12

v=-12/3

v=-4

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