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20 January, 04:52

Two times a number is the result when 7 times the same number is taken away from 99. What is the number?

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  1. 20 January, 07:56
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    2x=99-7x

    9x=99

    x = 11

    2x11 = 22

    99-&7*11) = 22

    so the number is 11
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