7v-12=-5(-3v-20)

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Solution for 7v-12=-5(-3v-20) equation: 



7v-12=-5(-3v-20)

We move all terms to the left:

7v-12-(-5(-3v-20))=0



We calculate terms in parentheses: -(-5(-3v-20)), so:

-5(-3v-20)

We multiply parentheses

15v+100

Back to the equation:

-(15v+100)



We get rid of parentheses

7v-15v-100-12=0

We add all the numbers together, and all the variables

-8v-112=0

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

-8v=112

v=112/-8

v=-14

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