8r-6+9r=31

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Solution for 8r-6+9r=31 equation: 



8r-6+9r=31

We move all terms to the left:

8r-6+9r-(31)=0

We add all the numbers together, and all the variables

17r-37=0

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

17r=37

r=37/17

r=2+3/17

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