.99999 repeating = 1

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

>>12
This is wrong. All those pages make the same fallacy: they're using infinity in regular mathematics. It doesn't work like that.

I suggest you read "Hotel Infinity": http://scidiv.bcc.ctc.edu/Math/InfiniteHotel.html
It may clear things up a bit.