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5v-30=2(v+9)
We move all terms to the left:
5v-30-(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)
5v-2v-18-30=0
We add all the numbers together, and all the variables
3v-48=0
We move all terms containing v to the left, all other terms to the right
3v=48
v=48/3
v=16
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