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-20(v+1)=200
We move all terms to the left:
-20(v+1)-(200)=0
We multiply parentheses
-20v-20-200=0
We add all the numbers together, and all the variables
-20v-220=0
We move all terms containing v to the left, all other terms to the right
-20v=220
v=220/-20
v=-11
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