12=v+5+2

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Solution for 12=v+5+2 equation: 



12=v+5+2

We move all terms to the left:

12-(v+5+2)=0

We add all the numbers together, and all the variables

-(v+7)+12=0

We get rid of parentheses

-v-7+12=0

We add all the numbers together, and all the variables

-1v+5=0

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

-v=-5

v=-5/-1

v=+5

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