30=2v+12

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Solution for 30=2v+12 equation: 



30=2v+12

We move all terms to the left:

30-(2v+12)=0

We get rid of parentheses

-2v-12+30=0

We add all the numbers together, and all the variables

-2v+18=0

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

-2v=-18

v=-18/-2

v=+9

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