18=8-(b+9)

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Solution for 18=8-(b+9) equation: 



18=8-(b+9)

We move all terms to the left:

18-(8-(b+9))=0



We calculate terms in parentheses: -(8-(b+9)), so:

8-(b+9)

determiningTheFunctionDomain
-(b+9)+8

We get rid of parentheses

-b-9+8

We add all the numbers together, and all the variables

-1b-1

Back to the equation:

-(-1b-1)



We get rid of parentheses

1b+1+18=0

We add all the numbers together, and all the variables

b+19=0

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

b=-19

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