-3r+9+9=6r-9

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Solution for -3r+9+9=6r-9 equation: 



-3r+9+9=6r-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-9r+27=0

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

-9r=-27

r=-27/-9

r=+3

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