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17+v=2v-3
We move all terms to the left:
17+v-(2v-3)=0
We get rid of parentheses
v-2v+3+17=0
We add all the numbers together, and all the variables
-1v+20=0
We move all terms containing v to the left, all other terms to the right
-v=-20
v=-20/-1
v=+20
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