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

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



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

We move all terms to the left:

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



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

-4v+7(v-2)

We multiply parentheses

-4v+7v-14

We add all the numbers together, and all the variables

3v-14

Back to the equation:

-(3v-14)



We get rid of parentheses

-3v+14+7=0

We add all the numbers together, and all the variables

-3v+21=0

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

-3v=-21

v=-21/-3

v=+7

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