WAEC Mathematics 2001 Question 16

Question 16

Algebraic Expressions

Simplify (2x − 1)/3 − (x + 3)/2

  1. A.(x + 7)/6
  2. B.(x + 8)/6
  3. C.(x − 11)/6
  4. D.(x − 4)/6
Show the answer and explanation

Answer: C ((x − 11)/6)

Explanation

Over 6: 2(2x − 1) − 3(x + 3) = 4x − 2 − 3x − 9 = x − 11.