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Brice Leonard
Mathematics
9 August, 00:00
Is - 7+9 = - 9+7 true false or open
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Elwood
9 August, 00:27
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False: - 7+9=2 and - 9+7=-2 therefore 2≠-2
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Zion Wyatt
9 August, 00:27
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The answer is false. - 7 + 9 is 2. - 9 + 7 is - 2
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