8v-7=-5(v-9)

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Solution for 8v-7=-5(v-9) equation: 



8v-7=-5(v-9)

We move all terms to the left:

8v-7-(-5(v-9))=0



We calculate terms in parentheses: -(-5(v-9)), so:

-5(v-9)

We multiply parentheses

-5v+45

Back to the equation:

-(-5v+45)



We get rid of parentheses

8v+5v-45-7=0

We add all the numbers together, and all the variables

13v-52=0

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

13v=52

v=52/13

v=4

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