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1 February, 16:46

X-y = 0

X+y=-2

Find the solution of the equation

1. (-3,-3) 2. (-1,-1) 3. (5,-3) 4. no solution

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Answers (1)
  1. 1 February, 17:04
    0
    X + y = - 2

    x = - 2-y

    x-y=0

    -2-y - y = 0

    -2 - 2y = 0

    -2y = 2

    y = - 1

    x + y = - 2

    x - 1 = - 2

    x = - 1

    Therefore, the coordinates are (-1, - 1).
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