28+r=10r

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Solution for 28+r=10r equation: 



28+r=10r

We move all terms to the left:

28+r-(10r)=0

We add all the numbers together, and all the variables

-9r+28=0

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

-9r=-28

r=-28/-9

r=3+1/9

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