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Mathematics 14 Online
OpenStudy (anonymous):

Which of the following shows the additive inverse property? Select one of the options below as your answer: A. 9 + 0 = 9 B. 9 + 1 = 10 C. 9 + (-1) = 8 D. 9 + (-9) = 0

OpenStudy (anonymous):

a + -a = 0

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