15=7(-1+2v)+2

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Solution for 15=7(-1+2v)+2 equation: 



15=7(-1+2v)+2

We move all terms to the left:

15-(7(-1+2v)+2)=0

We add all the numbers together, and all the variables

-(7(2v-1)+2)+15=0



We calculate terms in parentheses: -(7(2v-1)+2), so:

7(2v-1)+2

We multiply parentheses

14v-7+2

We add all the numbers together, and all the variables

14v-5

Back to the equation:

-(14v-5)



We get rid of parentheses

-14v+5+15=0

We add all the numbers together, and all the variables

-14v+20=0

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

-14v=-20

v=-20/-14

v=1+3/7

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