Mathematics, 03.11.2020 01:00 lesmontoya10

Notice that when x = 0 and y = 0, we have x - y = y-x. Does this show that there is a commutative for a subtraction? No. An example does not show that there is a general property,
Yes. The commutative property only needs to work sometimes.

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Notice that when x = 0 and y = 0, we have x - y = y-x. Does this show that there is a commutative fo...