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4024/22 May/Jun 2026, Question 12: Solving linear equations

Cambridge O Level Mathematics 4024 · Paper 22 (Calculator) · Calculator · 5 marks

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The question, in short

Solve two linear equations.

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

Part (a) · 2 marks

Solve 5k − 2 = 12.

  1. 15k = 12 + 2
  2. 25k = 14
  3. 3k = 14/5

Answer14/5

Part (b) · 3 marks

Solve 5(2y − 1) = 4(3y + 1).

  1. 110y − 5 = 12y + 4
  2. 210y − 12y = 4 + 5
  3. 3−2y = 9
  4. 4y = −9/2

Answer−9/2

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