86=-2(-7-v)+7v

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Solution for 86=-2(-7-v)+7v equation: 



86=-2(-7-v)+7v

We move all terms to the left:

86-(-2(-7-v)+7v)=0

We add all the numbers together, and all the variables

-(-2(-1v-7)+7v)+86=0



We calculate terms in parentheses: -(-2(-1v-7)+7v), so:

-2(-1v-7)+7v

We add all the numbers together, and all the variables

7v-2(-1v-7)

We multiply parentheses

7v+2v+14

We add all the numbers together, and all the variables

9v+14

Back to the equation:

-(9v+14)



We get rid of parentheses

-9v-14+86=0

We add all the numbers together, and all the variables

-9v+72=0

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

-9v=-72

v=-72/-9

v=+8

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