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16 August, 19:45

Five times the sum of - 2 and a number is 91 more than the sum of the opposite of the number and 1

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Answers (2)
  1. 16 August, 19:50
    0
    The number is 51.

    Step-by-step explanation:

    Let the number be x and the opposite of a number is - x.

    5 (-2+x) = 91 + (-x + 1)

    -10 + x = 91-x+1

    -10 + 2x = 92

    2x = 102

    x = 51
  2. 16 August, 19:51
    0
    n or the number = 5

    Step-by-step explanation:

    5 * (-2 + n) = 91 + (-n + 1)

    -10 + 5n = 19 - n + 1

    6n = 20 + 10

    6n/6 = 30/6

    n = 5
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