1 x 0 = 0 -(1)
2 x 0 = 0 -(2)
(1)=(2)
1 x 0 = 2 x 0
divide both sides by 0,
1 = 2
looks fascinating but it's completely wrong. you have done the exact same thing, but the 0 is hidden inside your A-X.
lesson - before you divide both sides of an equation by any term, you have...