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    Question

    If equation of line p is x + y = 5 and that of line q is

    x − y = 3, what are the coordinates of the point common to both the lines?
    A (2, 1) Correct Answer Incorrect Answer
    B (2, 3) Correct Answer Incorrect Answer
    C (4, 1) Correct Answer Incorrect Answer
    D (1, 4) Correct Answer Incorrect Answer

    Solution

    x + y = 5 x − y = 3 Add → 2x = 8 → x = 4 Substitute → 4 + y = 5 → y = 1 Answer: (4, 1)

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