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23 January, 19:16

The sum of 9 is - 30. find the number

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  1. 23 January, 21:44
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    The sum of 9 and a number is - 30.

    If thats the question, here is the answer

    Let the number be n

    Then 9+n=-30

    We now solve for n

    9+n=-30

    n=-30-9

    n=-39

    The number is - 39
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