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14 April, 20:05

Add. 7. NS. 1

31. - 12 + (-19) =

+2
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  1. 14 April, 20:32
    0
    When there's a + (-) it can just be put as a -, so this equation would be - 12-19, which is just 12+19, then put into negatives, which is - 31.
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