-3r=-6r-9

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



-3r=-6r-9
We move all terms to the left:
-3r-(-6r-9)=0
We get rid of parentheses
-3r+6r+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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