3r-6(3r+6)=-66

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Solution for 3r-6(3r+6)=-66 equation: 



3r-6(3r+6)=-66

We move all terms to the left:

3r-6(3r+6)-(-66)=0

We add all the numbers together, and all the variables

3r-6(3r+6)+66=0

We multiply parentheses

3r-18r-36+66=0

We add all the numbers together, and all the variables

-15r+30=0

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

-15r=-30

r=-30/-15

r=+2

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