-2(r+9)=-6

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Solution for -2(r+9)=-6 equation: 



-2(r+9)=-6

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2(r+9)+6=0

We multiply parentheses

-2r-18+6=0

We add all the numbers together, and all the variables

-2r-12=0

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

-2r=12

r=12/-2

r=-6

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