135=3(3-6r)

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Solution for 135=3(3-6r) equation: 



135=3(3-6r)

We move all terms to the left:

135-(3(3-6r))=0

We add all the numbers together, and all the variables

-(3(-6r+3))+135=0



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

3(-6r+3)

We multiply parentheses

-18r+9

Back to the equation:

-(-18r+9)



We get rid of parentheses

18r-9+135=0

We add all the numbers together, and all the variables

18r+126=0

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

18r=-126

r=-126/18

r=-7

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