-1=5v+4(v-7)

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Solution for -1=5v+4(v-7) equation: 



-1=5v+4(v-7)

We move all terms to the left:

-1-(5v+4(v-7))=0



We calculate terms in parentheses: -(5v+4(v-7)), so:

5v+4(v-7)

We multiply parentheses

5v+4v-28

We add all the numbers together, and all the variables

9v-28

Back to the equation:

-(9v-28)



We get rid of parentheses

-9v+28-1=0

We add all the numbers together, and all the variables

-9v+27=0

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

-9v=-27

v=-27/-9

v=+3

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