18-7v=3v-12

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Solution for 18-7v=3v-12 equation: 



18-7v=3v-12

We move all terms to the left:

18-7v-(3v-12)=0

We get rid of parentheses

-7v-3v+12+18=0

We add all the numbers together, and all the variables

-10v+30=0

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

-10v=-30

v=-30/-10

v=+3

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