3b-9=5+8(b+2)

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Solution for 3b-9=5+8(b+2) equation: 



3b-9=5+8(b+2)

We move all terms to the left:

3b-9-(5+8(b+2))=0



We calculate terms in parentheses: -(5+8(b+2)), so:

5+8(b+2)

determiningTheFunctionDomain
8(b+2)+5

We multiply parentheses

8b+16+5

We add all the numbers together, and all the variables

8b+21

Back to the equation:

-(8b+21)



We get rid of parentheses

3b-8b-21-9=0

We add all the numbers together, and all the variables

-5b-30=0

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

-5b=30

b=30/-5

b=-6

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