-3-9=-7v+(-9)+2v+12

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Solution for -3-9=-7v+(-9)+2v+12 equation: 



-3-9=-7v+(-9)+2v+12

We move all terms to the left:

-3-9-(-7v+(-9)+2v+12)=0

We add all the numbers together, and all the variables

-(-7v+(-9)+2v+12)-12=0



We calculate terms in parentheses: -(-7v+(-9)+2v+12), so:

-7v+(-9)+2v+12

determiningTheFunctionDomain
-7v+2v+12+(-9)

We add all the numbers together, and all the variables

-5v+3

Back to the equation:

-(-5v+3)



We get rid of parentheses

5v-3-12=0

We add all the numbers together, and all the variables

5v-15=0

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

5v=15

v=15/5

v=3

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