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-90=1+7(1+2v)
We move all terms to the left:
-90-(1+7(1+2v))=0
We add all the numbers together, and all the variables
-(1+7(2v+1))-90=0
We calculate terms in parentheses: -(1+7(2v+1)), so:We get rid of parentheses
1+7(2v+1)
determiningTheFunctionDomain 7(2v+1)+1
We multiply parentheses
14v+7+1
We add all the numbers together, and all the variables
14v+8
Back to the equation:
-(14v+8)
-14v-8-90=0
We add all the numbers together, and all the variables
-14v-98=0
We move all terms containing v to the left, all other terms to the right
-14v=98
v=98/-14
v=-7
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