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12 May, 15:50

The sum of a number, n, and 8 is multiplied by - 4, and the result is - 12. what is the number?

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Answers (2)
  1. 12 May, 16:09
    0
    Sum of n and 8 = (n + 8)

    Multiplied by - 4 = - 4 * (n + 8)

    Result = - 12

    -4 * (n + 8) = - 12 Divide both sides by - 4

    (n + 8) = - 12/-4

    n + 8 = 3

    n = 3 - 8

    n = - 5.

    The number is - 5.
  2. 12 May, 18:57
    0
    (8+n) * - 4=-12

    -32-4n=-12

    -4n=20

    n=-5
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