3r-r-5r+2=9

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Solution for 3r-r-5r+2=9 equation: 



3r-r-5r+2=9

We move all terms to the left:

3r-r-5r+2-(9)=0

We add all the numbers together, and all the variables

-3r-7=0

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

-3r=7

r=7/-3

r=-2+1/3

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