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-9v-39=3(v+7)
We move all terms to the left:
-9v-39-(3(v+7))=0
We calculate terms in parentheses: -(3(v+7)), so:We get rid of parentheses
3(v+7)
We multiply parentheses
3v+21
Back to the equation:
-(3v+21)
-9v-3v-21-39=0
We add all the numbers together, and all the variables
-12v-60=0
We move all terms containing v to the left, all other terms to the right
-12v=60
v=60/-12
v=-5
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