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-12-2v=2+5v
We move all terms to the left:
-12-2v-(2+5v)=0
We add all the numbers together, and all the variables
-2v-(5v+2)-12=0
We get rid of parentheses
-2v-5v-2-12=0
We add all the numbers together, and all the variables
-7v-14=0
We move all terms containing v to the left, all other terms to the right
-7v=14
v=14/-7
v=-2
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