-3(r+3)=3(-2r-6)

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Solution for -3(r+3)=3(-2r-6) equation: 



-3(r+3)=3(-2r-6)

We move all terms to the left:

-3(r+3)-(3(-2r-6))=0

We multiply parentheses

-3r-(3(-2r-6))-9=0



We calculate terms in parentheses: -(3(-2r-6)), so:

3(-2r-6)

We multiply parentheses

-6r-18

Back to the equation:

-(-6r-18)



We get rid of parentheses

-3r+6r+18-9=0

We add all the numbers together, and all the variables

3r+9=0

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

3r=-9

r=-9/3

r=-3

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