v+21=4v+18

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Solution for v+21=4v+18 equation: 



v+21=4v+18

We move all terms to the left:

v+21-(4v+18)=0

We get rid of parentheses

v-4v-18+21=0

We add all the numbers together, and all the variables

-3v+3=0

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

-3v=-3

v=-3/-3

v=1

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