3r+6+2r+9=r

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Solution for 3r+6+2r+9=r equation: 



3r+6+2r+9=r

We move all terms to the left:

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

We add all the numbers together, and all the variables

4r+15=0

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

4r=-15

r=-15/4

r=-3+3/4

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