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12 January, 11:09

When seven is added to a certain number the result is the same as subtracting twice the number from sixteen what is the number. Show working

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  1. 12 January, 11:20
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    The meaning of the question is

    Let the unknown number be x

    Therefore x+7=16-2x

    Now 2x+x=16-7

    3x=9

    X=9/3

    x=3
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