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4MA1/1FR Jan 2023, Question 4: Expand and Simplify

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 6 marks

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The question, in short

Simplify algebraic expressions, multiply terms, and solve simple linear equations for x and n.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Simplify 10y − y by combining like terms.

  1. 110y − y = 9y

Answer9y

Part (b) · 1 mark

Simplify 3p × 4p, multiplying coefficients and variables.

  1. 13p × 4p = 12p²

Answer12p²

Part (c) · 1 mark

Solve 7x = 42 for x.

  1. 17x = 42
  2. 2x = 42 ÷ 7
  3. 3x = 6

Answer6

Part (d) · 1 mark

Solve n + 6 = 5 for n.

  1. 1n + 6 = 5
  2. 2n = 5 − 6
  3. 3n = −1

Answer−1

Part (e) · 2 marks

Simplify 8c + 5d − 2c − 3d by collecting like terms.

  1. 18c − 2c = 6c
  2. 25d − 3d = 2d
  3. 36c + 2d

Answer6c + 2d

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