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27 January, 19:36

If 7 is added to a number and the sum is doubled, the result is - 2 less than the number. find the number?

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  1. 27 January, 20:44
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    This can be represented by the equation:

    (x+7) 2=x-2.

    All you have to do now is solve for x.

    (x+7) 2=x-2

    2x+14=x-2

    2x=x-16

    2x-x=-16

    x=-16

    Therefore, the number is - 16.
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