-3=-(v-7)

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



-3=-(v-7)

We move all terms to the left:

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



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

-(v-7)

We get rid of parentheses

-v+7

We add all the numbers together, and all the variables

-1v+7

Back to the equation:

-(-1v+7)



We get rid of parentheses

1v-7-3=0

We add all the numbers together, and all the variables

v-10=0

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

v=10

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