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86=-2+4(-8+5v)
We move all terms to the left:
86-(-2+4(-8+5v))=0
We add all the numbers together, and all the variables
-(-2+4(5v-8))+86=0
We calculate terms in parentheses: -(-2+4(5v-8)), so:We get rid of parentheses
-2+4(5v-8)
determiningTheFunctionDomain 4(5v-8)-2
We multiply parentheses
20v-32-2
We add all the numbers together, and all the variables
20v-34
Back to the equation:
-(20v-34)
-20v+34+86=0
We add all the numbers together, and all the variables
-20v+120=0
We move all terms containing v to the left, all other terms to the right
-20v=-120
v=-120/-20
v=+6
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