V+v+85-42=3v-20

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Solution for V+v+85-42=3v-20 equation: 



+V+85-42=3V-20

We move all terms to the left:

+V+85-42-(3V-20)=0

We add all the numbers together, and all the variables

V-(3V-20)+43=0

We get rid of parentheses

V-3V+20+43=0

We add all the numbers together, and all the variables

-2V+63=0

We move all terms containing V to the left, all other terms to the right

-2V=-63

V=-63/-2

V=31+1/2

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