12r+9+5r=9+17r

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Solution for 12r+9+5r=9+17r equation: 



12r+9+5r=9+17r

We move all terms to the left:

12r+9+5r-(9+17r)=0

We add all the numbers together, and all the variables

12r+5r-(17r+9)+9=0

We add all the numbers together, and all the variables

17r-(17r+9)+9=0

We get rid of parentheses

17r-17r-9+9=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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