3r=r+6

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Solution for 3r=r+6 equation: 



3r=r+6

We move all terms to the left:

3r-(r+6)=0

We get rid of parentheses

3r-r-6=0

We add all the numbers together, and all the variables

2r-6=0

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

2r=6

r=6/2

r=3

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