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Edited by U4123075: 10/13/2014 4:19:37 AM
13

.999... = 1

x = .999... 10x = 9.999... 9x = 9.999... - .999... 9x = 9 x = 1 .999... = 1

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  • Edited by The Cellar Door: 10/13/2014 2:21:27 PM
    [quote] 9x = 9.999... - .999... 9x = 9 [/quote] Now I understand the concept of 1=.999..., I'm not trying to argue against it, but from my knowledge you can't do what you did in the lines I quoted, you would have to subtract .999.... From 9x as well. I could be wrong but I'd like an explanation for why you can do this.

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