9=3(-3)+b

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Solution for 9=3(-3)+b equation: 



9=3(-3)+b

We move all terms to the left:

9-(3(-3)+b)=0



We calculate terms in parentheses: -(3(-3)+b), so:

3(-3)+b

determiningTheFunctionDomain
b+3(-3)

We add all the numbers together, and all the variables

b-9

Back to the equation:

-(b-9)



We get rid of parentheses

-b+9+9=0

We add all the numbers together, and all the variables

-1b+18=0

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

-b=-18

b=-18/-1

b=+18

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