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-40=v/4+-30
We move all terms to the left:
-40-(v/4+-30)=0
We add all the numbers together, and all the variables
-(v/4-30)-40=0
We get rid of parentheses
-v/4+30-40=0
We multiply all the terms by the denominator
-v+30*4-40*4=0
We add all the numbers together, and all the variables
-1v-40=0
We move all terms containing v to the left, all other terms to the right
-v=40
v=40/-1
v=-40
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