4MA1/1F Jun 2022, Question 2: Expand and Simplify
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 3 marks
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The question, in short
Simplify two algebraic expressions and solve an equation for c.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 1 mark
Simplify 12a + 3a − 7a.
- 112a + 3a = 15a
- 215a − 7a = 8a
Answer8a
Part (b) · 1 mark
Simplify 8 × 3b.
- 18 × 3b = 24b
Answer24b
Part (c) · 1 mark
Solve c/3 = 9 for c.
- 1c/3 = 9
- 2c = 9 × 3
- 3c = 27
Answer27
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