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20=2(v+4)+4v
We move all terms to the left:
20-(2(v+4)+4v)=0
We calculate terms in parentheses: -(2(v+4)+4v), so:We get rid of parentheses
2(v+4)+4v
We add all the numbers together, and all the variables
4v+2(v+4)
We multiply parentheses
4v+2v+8
We add all the numbers together, and all the variables
6v+8
Back to the equation:
-(6v+8)
-6v-8+20=0
We add all the numbers together, and all the variables
-6v+12=0
We move all terms containing v to the left, all other terms to the right
-6v=-12
v=-12/-6
v=+2
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