Recent content by Fiona James

  1. F

    Solve using the substitution method.?

    1) x + y = -4 y = -3x + 2 2) y = 2x - 5 3x + y = 15 3) -5x - 4y = -48 -3x + 2y = 2 4) x + y = 2 x + y = -9
  2. F

    Solve by elimination.?

    1) 8x + 7y = -16 6x - 3y = -12 2) 2x - y = 6 5x + y = 22 3) -6x - 2y = -5 -12x - 4y = -10
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