15=7+2v

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Solution for 15=7+2v equation: 



15=7+2v

We move all terms to the left:

15-(7+2v)=0

We add all the numbers together, and all the variables

-(2v+7)+15=0

We get rid of parentheses

-2v-7+15=0

We add all the numbers together, and all the variables

-2v+8=0

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

-2v=-8

v=-8/-2

v=+4

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