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

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



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

We move all terms to the left:

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



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

5(v-8)-7v

We add all the numbers together, and all the variables

-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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