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