-9=6+3(x+1)

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Solution for -9=6+3(x+1) equation: 



-9=6+3(x+1)

We move all terms to the left:

-9-(6+3(x+1))=0



We calculate terms in parentheses: -(6+3(x+1)), so:

6+3(x+1)

determiningTheFunctionDomain
3(x+1)+6

We multiply parentheses

3x+3+6

We add all the numbers together, and all the variables

3x+9

Back to the equation:

-(3x+9)



We get rid of parentheses

-3x-9-9=0

We add all the numbers together, and all the variables

-3x-18=0

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

-3x=18

x=18/-3

x=-6

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