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

Who always enjoys poor health?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Through your logical capabilities, can you make 7 an even?

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Reading it what do you think, does the tattoo artist tattoo himself?

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