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-4v+2(v+4)=-12
We move all terms to the left:
-4v+2(v+4)-(-12)=0
We add all the numbers together, and all the variables
-4v+2(v+4)+12=0
We multiply parentheses
-4v+2v+8+12=0
We add all the numbers together, and all the variables
-2v+20=0
We move all terms containing v to the left, all other terms to the right
-2v=-20
v=-20/-2
v=+10
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