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25 October, 12:41

3x + y = 4

x + 2y = - 2

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Answers (1)
  1. 25 October, 16:26
    0
    3x+y=4 (y=-3x+4)

    Plug it in for y x+2 (-3x+4) = -2

    x=2

    Plug in for x 2+2y=-2

    y=-2

    Solution: (2,-2)
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