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-7v-45=2(v-9)
We move all terms to the left:
-7v-45-(2(v-9))=0
We calculate terms in parentheses: -(2(v-9)), so:We get rid of parentheses
2(v-9)
We multiply parentheses
2v-18
Back to the equation:
-(2v-18)
-7v-2v+18-45=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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