WAEC Mathematics 2019 Objective — Question 3
Question 3 of 145 from the West African Examinations Council (WAEC) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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3. Solve (y+1)/2 − (2y−1)/3 = 4
- A. y=19
- B. y=-19Correct
- C. y=-29
- D. y=29
Explanation
Multiplying through by the LCM (6): 3(y+1) − 2(2y−1) = 24 ⇒ 3y+3−4y+2 = 24 ⇒ −y+5 = 24 ⇒ −y = 19 ⇒ y = −19.
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