-9=-6v+3(v-7)

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Solution for -9=-6v+3(v-7) equation: 



-9=-6v+3(v-7)

We move all terms to the left:

-9-(-6v+3(v-7))=0



We calculate terms in parentheses: -(-6v+3(v-7)), so:

-6v+3(v-7)

We multiply parentheses

-6v+3v-21

We add all the numbers together, and all the variables

-3v-21

Back to the equation:

-(-3v-21)



We get rid of parentheses

3v+21-9=0

We add all the numbers together, and all the variables

3v+12=0

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

3v=-12

v=-12/3

v=-4

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