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4=(7+v)/2
We move all terms to the left:
4-((7+v)/2)=0
We add all the numbers together, and all the variables
-((v+7)/2)+4=0
We multiply all the terms by the denominator
-((v+7)+4*2)=0
We calculate terms in parentheses: -((v+7)+4*2), so:We get rid of parentheses
(v+7)+4*2
We add all the numbers together, and all the variables
(v+7)+8
We get rid of parentheses
v+7+8
We add all the numbers together, and all the variables
v+15
Back to the equation:
-(v+15)
-v-15=0
We add all the numbers together, and all the variables
-1v-15=0
We move all terms containing v to the left, all other terms to the right
-v=15
v=15/-1
v=-15
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