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Create and simplify an algebraic expression for the following sequence of operations to prove the result is 1. Use N to represent thee number chosen. Think of a number. Add 3. Double that. Subtract 4. Cut that in half. Subtract your original number. Your result is 1!
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Think of a number. N
Add 3. N + 3
Double that. 2N + 6
Subtract 4. 2N + 2
Cut that in half. N + 1
Subtract your original number. (N+1) - N = 1
Your result is 1! Yes.
Very old joke.