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-3=v/2+3
We move all terms to the left:
-3-(v/2+3)=0
We get rid of parentheses
-v/2-3-3=0
We multiply all the terms by the denominator
-v-3*2-3*2=0
We add all the numbers together, and all the variables
-1v-12=0
We move all terms containing v to the left, all other terms to the right
-v=12
v=12/-1
v=-12
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