BECE Mathematics 2023 Objective — Question 68
Question 68 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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Solve the equations 2x + y = 4 and x + y = 2 simultaneously.
- A. x = −1, y = −1
- B. x = 0, y = −2
- C. x = 1, y = 0
- D. x = 2, y = 0Correct
- E. x = 2, y = 2
Explanation
Subtract: (2x + y) − (x + y) = 4 − 2, so x = 2. Then y = 2 − 2 = 0.
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