9r-28=-92+r

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Solution for 9r-28=-92+r equation: 



9r-28=-92+r

We move all terms to the left:

9r-28-(-92+r)=0

We add all the numbers together, and all the variables

9r-(r-92)-28=0

We get rid of parentheses

9r-r+92-28=0

We add all the numbers together, and all the variables

8r+64=0

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

8r=-64

r=-64/8

r=-8

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