-9=-3(b-3)+6(6-4b)

Solution for -9=-3(b-3)+6(6-4b) equation:

-9=-3(b-3)+6(6-4b)

We move all terms to the left:

-9-(-3(b-3)+6(6-4b))=0

We add all the numbers together, and all the variables

-(-3(b-3)+6(-4b+6))-9=0


We calculate terms in parentheses: -(-3(b-3)+6(-4b+6)), so:

-3(b-3)+6(-4b+6)

We multiply parentheses

-3b-24b+9+36

We add all the numbers together, and all the variables

-27b+45

Back to the equation:

-(-27b+45)


We get rid of parentheses

27b-45-9=0

We add all the numbers together, and all the variables

27b-54=0

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

27b=54

b=54/27

b=2