8v-28=-2(8-7v)

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Solution for 8v-28=-2(8-7v) equation: 



8v-28=-2(8-7v)

We move all terms to the left:

8v-28-(-2(8-7v))=0

We add all the numbers together, and all the variables

8v-(-2(-7v+8))-28=0



We calculate terms in parentheses: -(-2(-7v+8)), so:

-2(-7v+8)

We multiply parentheses

14v-16

Back to the equation:

-(14v-16)



We get rid of parentheses

8v-14v+16-28=0

We add all the numbers together, and all the variables

-6v-12=0

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

-6v=12

v=12/-6

v=-2

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