Below, you will find the mathematical proof that 10 equals 9.99999…. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...

10x = 99.999999...

10x - x = 90

9x = 90

x = 10

Labels: Difficulty Level 4/5, Equation Puzzles, Maths Puzzles, Popular Puzzles, Trivia