-2(v-3)=7v-21

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Solution for -2(v-3)=7v-21 equation: 



-2(v-3)=7v-21

We move all terms to the left:

-2(v-3)-(7v-21)=0

We multiply parentheses

-2v-(7v-21)+6=0

We get rid of parentheses

-2v-7v+21+6=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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