3v+12=4v-7

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Solution for 3v+12=4v-7 equation: 



3v+12=4v-7

We move all terms to the left:

3v+12-(4v-7)=0

We get rid of parentheses

3v-4v+7+12=0

We add all the numbers together, and all the variables

-1v+19=0

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

-v=-19

v=-19/-1

v=+19

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