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Mathematics
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13 March, 11:36
3 + (-9).
Should you add or subtract 3 and 9? Why?
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Dominique Trevino
13 March, 12:34
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You subtract because it's just adding a negative which cancels out the adding and makes it a subtraction problem.
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Anabel Waller
13 March, 13:46
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Answer:add positive 3 to the (-9) which will be (-6)
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