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02-03-2017
Mathematics

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33-7r = 3(6-4r) what does r equal?

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chickenjedis chickenjedis

02-03-2017

33-7r = 3(6-4r)
33 - 7r = 18 - 12r
33 -7r + 7r = 18 - 12r + 7r
33 = 18 - 5r
33 - 18 = 18 - 5r - 18
15/5 = 5r/5
3 = r
r = 3

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