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-4(v+-8)=12
We move all terms to the left:
-4(v+-8)-(12)=0
We add all the numbers together, and all the variables
-4(v-8)-12=0
We multiply parentheses
-4v+32-12=0
We add all the numbers together, and all the variables
-4v+20=0
We move all terms containing v to the left, all other terms to the right
-4v=-20
v=-20/-4
v=+5
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