3r+2=r

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Solution for 3r+2=r equation: 



3r+2=r

We move all terms to the left:

3r+2-(r)=0

We add all the numbers together, and all the variables

2r+2=0

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

2r=-2

r=-2/2

r=-1

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