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-12=2+5v^2v
We move all terms to the left:
-12-(2+5v^2v)=0
We get rid of parentheses
-5v^2v-2-12=0
We add all the numbers together, and all the variables
-5v^2v-14=0
We move all terms containing v to the left, all other terms to the right
-5v^2v=14
v=14/1
v=14
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