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-84=6-3(2+7v)
We move all terms to the left:
-84-(6-3(2+7v))=0
We add all the numbers together, and all the variables
-(6-3(7v+2))-84=0
We calculate terms in parentheses: -(6-3(7v+2)), so:We get rid of parentheses
6-3(7v+2)
determiningTheFunctionDomain -3(7v+2)+6
We multiply parentheses
-21v-6+6
We add all the numbers together, and all the variables
-21v
Back to the equation:
-(-21v)
21v-84=0
We move all terms containing v to the left, all other terms to the right
21v=84
v=84/21
v=4
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