33-6r=12-3(9-r)

Solution for 33-6r=12-3(9-r) equation:

33-6r=12-3(9-r)

We move all terms to the left:

33-6r-(12-3(9-r))=0

We add all the numbers together, and all the variables

-6r-(12-3(-1r+9))+33=0


We calculate terms in parentheses: -(12-3(-1r+9)), so:

12-3(-1r+9)

determiningTheFunctionDomain
-3(-1r+9)+12

We multiply parentheses

3r-27+12

We add all the numbers together, and all the variables

3r-15

Back to the equation:

-(3r-15)


We get rid of parentheses

-6r-3r+15+33=0

We add all the numbers together, and all the variables

-9r+48=0

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

-9r=-48

r=-48/-9

r=5+1/3