9r=1-8r+11

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Solution for 9r=1-8r+11 equation: 



9r=1-8r+11

We move all terms to the left:

9r-(1-8r+11)=0

We add all the numbers together, and all the variables

9r-(-8r+12)=0

We get rid of parentheses

9r+8r-12=0

We add all the numbers together, and all the variables

17r-12=0

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

17r=12

r=12/17

r=12/17

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