42=15v-9v

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Solution for 42=15v-9v equation:



42=15v-9v
We move all terms to the left:
42-(15v-9v)=0
We add all the numbers together, and all the variables
-(+6v)+42=0
We get rid of parentheses
-6v+42=0
We move all terms containing v to the left, all other terms to the right
-6v=-42
v=-42/-6
v=+7

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