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3v+12=-2(v-1)
We move all terms to the left:
3v+12-(-2(v-1))=0
We calculate terms in parentheses: -(-2(v-1)), so:We get rid of parentheses
-2(v-1)
We multiply parentheses
-2v+2
Back to the equation:
-(-2v+2)
3v+2v-2+12=0
We add all the numbers together, and all the variables
5v+10=0
We move all terms containing v to the left, all other terms to the right
5v=-10
v=-10/5
v=-2
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