-30=10(9+v)

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Solution for -30=10(9+v) equation: 



-30=10(9+v)

We move all terms to the left:

-30-(10(9+v))=0

We add all the numbers together, and all the variables

-(10(v+9))-30=0



We calculate terms in parentheses: -(10(v+9)), so:

10(v+9)

We multiply parentheses

10v+90

Back to the equation:

-(10v+90)



We get rid of parentheses

-10v-90-30=0

We add all the numbers together, and all the variables

-10v-120=0

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

-10v=120

v=120/-10

v=-12

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