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28 April, 15:26

The sum of a number and 9 is multiplied by - 2 and the answer is - 8

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  1. 28 April, 15:36
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    9 * (1/x), "nine times its reciprocal"
  2. 28 April, 15:45
    0
    (x+9) * - 2=-8 so ... - 2x-18=-8 since all digits are negative i can multiply all the digits by - 1 so ... 2x+18=8 divide equation by 2 x+9=4 so x is equal to - 5
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