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WAEC Mathematics 2009 Question 9

Question 9

Linear and Simultaneous Equations

If 3/2x − 2/3x = 4, solve for x.

  1. A.4/5
  2. B.4/13
  3. C.5/24
  4. D.13/24
Show the answer and explanation

Answer: C (5/24)

Explanation

Over 6x: (9 − 4)/6x = 4, so 5 = 24x and x = 5/24.