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What number should be added to 9 to get a sum of -31?
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What number should be added to 9 to get a sum of -31?
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Nov 17, 2019
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What number should be added to 9 to get a sum of -31?
Mathematics
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Zimi
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1
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-40
-31+-9=-40
9+-40=-31
Bob Haffner
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Nov 22, 2019
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Bob Haffner
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