20=8(v+7)+4v

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Solution for 20=8(v+7)+4v equation: 



20=8(v+7)+4v

We move all terms to the left:

20-(8(v+7)+4v)=0



We calculate terms in parentheses: -(8(v+7)+4v), so:

8(v+7)+4v

We add all the numbers together, and all the variables

4v+8(v+7)

We multiply parentheses

4v+8v+56

We add all the numbers together, and all the variables

12v+56

Back to the equation:

-(12v+56)



We get rid of parentheses

-12v-56+20=0

We add all the numbers together, and all the variables

-12v-36=0

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

-12v=36

v=36/-12

v=-3

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