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-27=4v+7(v-7)
We move all terms to the left:
-27-(4v+7(v-7))=0
We calculate terms in parentheses: -(4v+7(v-7)), so:We get rid of parentheses
4v+7(v-7)
We multiply parentheses
4v+7v-49
We add all the numbers together, and all the variables
11v-49
Back to the equation:
-(11v-49)
-11v+49-27=0
We add all the numbers together, and all the variables
-11v+22=0
We move all terms containing v to the left, all other terms to the right
-11v=-22
v=-22/-11
v=+2
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