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5 September, 22:16

Which statements are true about the ordered pair (-1,5) and the system of equations x+y=4 x-y=-6

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Answers (2)
  1. 6 September, 00:04
    0
    A) x+y=4

    B) x-y=-6

    We add both equations and get

    2x = - 2 so x = - 1

    and y = 5

    So the ordered pair (-1, 5) is the solution to the equations.
  2. 6 September, 01:34
    0
    -1+5=4

    And

    -5+1=-4

    So it's x+y=4
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