Final answer:
The commutative property of addition states that changing the order of the numbers being added does not change the sum. The equation that illustrates this property is (x + y) + 3 = x + (y + 3).
Step-by-step explanation:
The commutative property of addition states that changing the order of the numbers being added does not change the sum. In other words, when adding two numbers, it does not matter which number is added first.
The equation that illustrates the commutative property of addition is (x + y) + 3 = x + (y + 3). This equation shows that regardless of whether we add x and y first or add 3 first, the result will be the same.
So, the correct choice is A. (x + y) + 3 = x + (y + 3).
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