SOLUTION: I came across this IQ question: How do you proof that 10 = 9.999999999...?

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Question 28516: I came across this IQ question:
How do you proof that 10 = 9.999999999...?
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
How do you proof that 10 = 9.999999999...?
LET ......X = 9.9999999999999.....
SO ....10X = 99.99999999999999.........SUBTRACTING
10X-X=90
9X=90
X=90/9=10