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    Mathematics
    Grade10
    Easy

    Question

    Solve the system: 2x - 5y = 5, y = 2

    1. y = 2
    2. (7.5, 2)
    3. (7.2, -2)
    4. no solution

    The correct answer is: (7.5, 2)

      2x – 5y = 5 …(i)
      y = 2 …(ii)
      Substituting y from (ii) in (i), we get
      2x – 5(2) = 5
      2x - 10 = 5
      x = 7.5

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