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43=2v+9
We move all terms to the left:
43-(2v+9)=0
We get rid of parentheses
-2v-9+43=0
We add all the numbers together, and all the variables
-2v+34=0
We move all terms containing v to the left, all other terms to the right
-2v=-34
v=-34/-2
v=+17
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