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-48=3v+12+3v
We move all terms to the left:
-48-(3v+12+3v)=0
We add all the numbers together, and all the variables
-(6v+12)-48=0
We get rid of parentheses
-6v-12-48=0
We add all the numbers together, and all the variables
-6v-60=0
We move all terms containing v to the left, all other terms to the right
-6v=60
v=60/-6
v=-10
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