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28 October, 17:02

If - 4 is added to a number and them sum is doubled, the result is - 16 less than the number. find the number.

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  1. 28 October, 19:21
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    Let the number be x

    (-4+x) * 2 = x - (-16)

    -8-2x=x+16

    -2x-x=16+8

    -3x=24

    x=24:-3

    x=-8
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