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WAEC Mathematics 2017 Question 13

Question 13

Algebraic Expressions

Simplify: 3x − (p − x) − (r − p)

  1. A.2x − r
  2. B.2x + r
  3. C.4x − r
  4. D.2x − 2p − r
Show the answer and explanation

Answer: C (4x − r)

Explanation

3x − p + x − r + p = 4x − r.