15=(v-3)-7v

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Solution for 15=(v-3)-7v equation: 



15=(v-3)-7v

We move all terms to the left:

15-((v-3)-7v)=0



We calculate terms in parentheses: -((v-3)-7v), so:

(v-3)-7v

We add all the numbers together, and all the variables

-7v+(v-3)

We get rid of parentheses

-7v+v-3

We add all the numbers together, and all the variables

-6v-3

Back to the equation:

-(-6v-3)



We get rid of parentheses

6v+3+15=0

We add all the numbers together, and all the variables

6v+18=0

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

6v=-18

v=-18/6

v=-3

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