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14 December, 20:04

Find two numbers, if their sum is (-1/3) and their difference is 18

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  1. 14 December, 20:34
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    X + y = - 0.3333333 That's the decimal equivalent of - 1/3

    x - y = 18 Add these two together.

    2x = 17.66666 Divide by 2

    x = 8.833333

    8.83333 + y = - 0.333333

    y = - 0.333333 - 8.83333

    y = - 9.16666

    You should check this using the difference.

    It will not come out exactly, but you do get a bunch of nines.
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