54r-4-9=31

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Solution for 54r-4-9=31 equation: 



54r-4-9=31

We move all terms to the left:

54r-4-9-(31)=0

We add all the numbers together, and all the variables

54r-44=0

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

54r=44

r=44/54

r=22/27

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