4MA1/1F Jan 2023, Question 7: Expand and Simplify
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 5 marks
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The question, in short
Simplify two algebraic products and sums, then solve a two-step linear equation for d.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Simplify the product 5p × 9k.
- 15p × 9k = 45pk
Answer45pk
Part (b) · 2 marks
Simplify 3e + 2f + 8e − 7f by collecting like terms.
- 13e + 8e = 11e
- 22f − 7f = −5f
- 311e − 5f
Answer11e − 5f
Part (c) · 2 marks
Solve 2d + 7 = 16 to find d.
- 12d + 7 = 16
- 22d = 16 − 7
- 32d = 9
- 4d = 9 ÷ 2
- 5d = 4.5
Answer4.5
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