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284=4(7-8v)
We move all terms to the left:
284-(4(7-8v))=0
We add all the numbers together, and all the variables
-(4(-8v+7))+284=0
We calculate terms in parentheses: -(4(-8v+7)), so:We get rid of parentheses
4(-8v+7)
We multiply parentheses
-32v+28
Back to the equation:
-(-32v+28)
32v-28+284=0
We add all the numbers together, and all the variables
32v+256=0
We move all terms containing v to the left, all other terms to the right
32v=-256
v=-256/32
v=-8
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