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5(v+3)=-5v-15
We move all terms to the left:
5(v+3)-(-5v-15)=0
We multiply parentheses
5v-(-5v-15)+15=0
We get rid of parentheses
5v+5v+15+15=0
We add all the numbers together, and all the variables
10v+30=0
We move all terms containing v to the left, all other terms to the right
10v=-30
v=-30/10
v=-3
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