-7=7(v-4)-4v

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



-7=7(v-4)-4v

We move all terms to the left:

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



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

7(v-4)-4v

We add all the numbers together, and all the variables

-4v+7(v-4)

We multiply parentheses

-4v+7v-28

We add all the numbers together, and all the variables

3v-28

Back to the equation:

-(3v-28)



We get rid of parentheses

-3v+28-7=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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