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Mathematics, 02.12.2021 06:30 kenyamaclark1847

Since x and y belong to the set of real numbers, they can assume negative or positive numbers. For the statement to be false it is enough to present a counter-example, an example in which the statement is not true.
For x=-1 and y=-2, numbers contained in the set of natural numbers we have:
Then x+y\  \textless \ 0


x+y=(-1)+(-2)=-3

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