30.5+9v=5(2v-9.5)

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Solution for 30.5+9v=5(2v-9.5) equation: 



30.5+9v=5(2v-9.5)

We move all terms to the left:

30.5+9v-(5(2v-9.5))=0



We calculate terms in parentheses: -(5(2v-9.5)), so:

5(2v-9.5)

We multiply parentheses

10v-47.5

Back to the equation:

-(10v-47.5)



We get rid of parentheses

9v-10v+47.5+30.5=0

We add all the numbers together, and all the variables

-1v+78=0

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

-v=-78

v=-78/-1

v=+78

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