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16 September, 03:11

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

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Answers (2)
  1. 16 September, 03:21
    0
    X + y = 8

    -1 + y = 8

    y = 8 + 1

    y = 9
  2. 16 September, 03:39
    0
    Plug - 1 into the equatiop and solve for y.

    -1+y=8

    add + 1 on both sides

    y = 9
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