Question

subtraction is not commutative.

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Answer 1

Answer:

Subtraction is not commutative over real numbers since we can't say that a – b = b – a for all real numbers a and b. Even though a – b = b – a whenever a and b are the same, that still doesn't make subtraction commutative over the set of all real numbers.

Step-by-step explanation:

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Answer 2

Answer:

Commutativity isn't just a property of an operation alone. ... Subtraction is not commutative over real numbers since we can't say that a – b = b – a for all real numbers a and b. Even though a – b = b – a whenever a and b are the same, that still doesn't make subtraction commutative over the set of all real numbers

Step-by-step explanation:

Yes it is not commutative