9r-7=180

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Solution for 9r-7=180 equation: 



9r-7=180

We move all terms to the left:

9r-7-(180)=0

We add all the numbers together, and all the variables

9r-187=0

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

9r=187

r=187/9

r=20+7/9

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