3r-16=77

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Solution for 3r-16=77 equation: 



3r-16=77

We move all terms to the left:

3r-16-(77)=0

We add all the numbers together, and all the variables

3r-93=0

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

3r=93

r=93/3

r=31

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