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-(3v+-8)=28+9v
We move all terms to the left:
-(3v+-8)-(28+9v)=0
We add all the numbers together, and all the variables
-(3v-8)-(9v+28)=0
We get rid of parentheses
-3v-9v+8-28=0
We add all the numbers together, and all the variables
-12v-20=0
We move all terms containing v to the left, all other terms to the right
-12v=20
v=20/-12
v=-1+2/3
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