89r-39=228

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Solution for 89r-39=228 equation: 



89r-39=228

We move all terms to the left:

89r-39-(228)=0

We add all the numbers together, and all the variables

89r-267=0

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

89r=267

r=267/89

r=3

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