18+v=-2v

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Solution for 18+v=-2v equation: 



18+v=-2v

We move all terms to the left:

18+v-(-2v)=0

We get rid of parentheses

v+2v+18=0

We add all the numbers together, and all the variables

3v+18=0

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

3v=-18

v=-18/3

v=-6

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