passwella.
Menu

WAEC Mathematics 2022 Question 17

Question 17

Linear and Simultaneous Equations

Find the value of x such that 1/x + 4/(3x) − 5/(6x) + 1 is zero.

  1. A.1/6
  2. B.1/4
  3. C.−3/2
  4. D.−7/6
Show the answer and explanation

Answer: C (−3/2)

Explanation

Over 6x: (6 + 8 − 5)/(6x) = −1, so 9/(6x) = −1 and x = −3/2.