6r+9=13r-6

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Solution for 6r+9=13r-6 equation: 



6r+9=13r-6

We move all terms to the left:

6r+9-(13r-6)=0

We get rid of parentheses

6r-13r+6+9=0

We add all the numbers together, and all the variables

-7r+15=0

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

-7r=-15

r=-15/-7

r=2+1/7

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