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4MA1/2FR Jun 2020, Question 12: Solving Linear Equations

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks

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The question, in short

Expand a bracket with a linear expression, then solve a two-step linear equation equal to −19.

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

Part (a) · 1 mark

Expand 4(m + 2).

  1. 14(m + 2) = 4 × m + 4 × 2
  2. 24m + 8

Answer4m + 8

Part (b) · 2 marks

Solve 2x + 5 = −19 for x.

  1. 12x + 5 = −19
  2. 22x = −19 − 5
  3. 32x = −24
  4. 4x = −24 / 2
  5. 5x = −12

Answer−12

Stuck on a step? Read the free lesson: Solving Linear Equations

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