Question

Give an example of why subtraction is not commutative

Answer 1

one example

15 - 2 = 13

2 - 15 = -13

notice the different signs in 13 and -13

Answer 2

are they both equal?

Answer 3

15 - 2 = 13 is like saying

I have $15 and the product costs $2. So after buying it, I'll have $13 left.

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2 - 15 = -13 is like saying

I have $2 and I buy a product that costs $15. Therefore, I'll be 13 dollars in debt.

Answer 4

ty