28r-16=40

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Solution for 28r-16=40 equation: 



28r-16=40

We move all terms to the left:

28r-16-(40)=0

We add all the numbers together, and all the variables

28r-56=0

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

28r=56

r=56/28

r=2

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