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2 answers:
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Answer:
Explanation:
The commutative property for the addition states that when the order of two (or more) numbers is changed, the result of the addition does not change.
Mathematically, this means that:
where a, b are two numbers.
In this problem, we have the following addition:
By applying the commutative property, we can swap the order of the two variables y and j, and the result will remain the same. So we can write: