30=9-3(x+2)

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Solution for 30=9-3(x+2) equation: 



30=9-3(x+2)

We move all terms to the left:

30-(9-3(x+2))=0



We calculate terms in parentheses: -(9-3(x+2)), so:

9-3(x+2)

determiningTheFunctionDomain
-3(x+2)+9

We multiply parentheses

-3x-6+9

We add all the numbers together, and all the variables

-3x+3

Back to the equation:

-(-3x+3)



We get rid of parentheses

3x-3+30=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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