WAEC Mathematics 2011 Question 35

Question 35

Algebraic Expressions

What must be added to (2x − 3y) to get (x − 2y)?

  1. A.5y − x
  2. B.y − x
  3. C.x − 5x
  4. D.x − y
Show the answer and explanation

Answer: B (y − x)

Explanation

(x − 2y) − (2x − 3y) = −x + y = y − x.