# Proofing weird things 1

Step 1: x = y

        x^2 = xy

x^2 - y^2 = xy - y^2

(x - y)(x + y) = y(x - y)


Step 2:(x - y)(x + y)/(x - y) = y(x - y)/(x - y)

Step 3:x + y = y

Step 4:y + y = y

2y = y

2 = 1

Hence we proved 2 = 1

Which is the wrong step in the given solution?

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