7v+42=-8(v-9)

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Solution for 7v+42=-8(v-9) equation: 



7v+42=-8(v-9)

We move all terms to the left:

7v+42-(-8(v-9))=0



We calculate terms in parentheses: -(-8(v-9)), so:

-8(v-9)

We multiply parentheses

-8v+72

Back to the equation:

-(-8v+72)



We get rid of parentheses

7v+8v-72+42=0

We add all the numbers together, and all the variables

15v-30=0

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

15v=30

v=30/15

v=2

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