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11 April, 17:15

If x + y = 8 find the value of y when x = - 1

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Answers (2)
  1. 11 April, 18:08
    0
    Your answer would be y=9
  2. 11 April, 19:38
    0
    First, replace x with the value of x.

    x + y = 8 becomes - 1 + y = 8

    Solve for y.

    -1 + y = 8

    y = 9 < - - Add 1 to each side

    So, y is equal to 9.
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