-42+8v=-2(-7v-3)

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Solution for -42+8v=-2(-7v-3) equation: 



-42+8v=-2(-7v-3)

We move all terms to the left:

-42+8v-(-2(-7v-3))=0



We calculate terms in parentheses: -(-2(-7v-3)), so:

-2(-7v-3)

We multiply parentheses

14v+6

Back to the equation:

-(14v+6)



We get rid of parentheses

8v-14v-6-42=0

We add all the numbers together, and all the variables

-6v-48=0

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

-6v=48

v=48/-6

v=-8

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