33=12r-3(-r)

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



33=12r-3(-r)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

12r-3(-1r)

We multiply parentheses

12r+3r

We add all the numbers together, and all the variables

15r

Back to the equation:

-(15r)



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

-15r=-33

r=-33/-15

r=2+1/5

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