12=5v+7

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Solution for 12=5v+7 equation: 



12=5v+7

We move all terms to the left:

12-(5v+7)=0

We get rid of parentheses

-5v-7+12=0

We add all the numbers together, and all the variables

-5v+5=0

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

-5v=-5

v=-5/-5

v=1

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