Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

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👉Answer is really very interesting
Let us see who solves this....

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AIM DUE OAT TIE MOD

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