20-8v=-2(8+7v)

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Solution for 20-8v=-2(8+7v) equation: 



20-8v=-2(8+7v)

We move all terms to the left:

20-8v-(-2(8+7v))=0

We add all the numbers together, and all the variables

-8v-(-2(7v+8))+20=0



We calculate terms in parentheses: -(-2(7v+8)), so:

-2(7v+8)

We multiply parentheses

-14v-16

Back to the equation:

-(-14v-16)



We get rid of parentheses

-8v+14v+16+20=0

We add all the numbers together, and all the variables

6v+36=0

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

6v=-36

v=-36/6

v=-6

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