27=-6+4(b+9)

Solution for 27=-6+4(b+9) equation:

27=-6+4(b+9)

We move all terms to the left:

27-(-6+4(b+9))=0


We calculate terms in parentheses: -(-6+4(b+9)), so:

-6+4(b+9)

determiningTheFunctionDomain
4(b+9)-6

We multiply parentheses

4b+36-6

We add all the numbers together, and all the variables

4b+30

Back to the equation:

-(4b+30)


We get rid of parentheses

-4b-30+27=0

We add all the numbers together, and all the variables

-4b-3=0

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

-4b=3

b=3/-4

b=-3/4