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General - 0.999....=1 - View Post

Player2 said:
Barozi said:

no he's subtracting x.

If he was dividing by x it would be as follows:

10x = 9+x

10*(x/x) = 9 + (x/x)

Obviously (x/x) is 1, so

10*1 = 9 + 1

10 = 10

considering you want a result that is "x = ..." it wouldn't make sense to divide by x in that case.

X doesn't dissapear, you forgot to divide 9 by x.

eh it's late. I even thought of it when I read through the post but forgot to include it in the reply.