1. Solve: 2x + 9 = 21. (2 marks)
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Cambridge IGCSE: Linear Equations
Linear equation practice aligned to Cambridge IGCSE algebra topic areas. Not an official past paper.
Mathematics · Algebra · Year 10 · 25 mins · 20 marks · 10 questions
Roribot practice packs aligned to Edexcel (and other) topic areas. These are not official Pearson, Cambridge, or exam-board past papers.
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Solve: 2x + 9 = 21. (2 marks)
Solve: 5x − 4 = 3x + 10. (2 marks)
Expand: −2(3x − 4). (2 marks)
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2. Solve: 5x − 4 = 3x + 10. (2 marks)
3. Expand: −2(3x − 4). (2 marks)
- −6x − 4
- −6x + 8
- 6x − 8
- −6x − 8
4. Solve: (x + 3)/2 = 5. (2 marks)
5. If 3(a − 1) = 12, find a. (2 marks)
6. Simplify: 7p − 2q + 3p + 5q. (2 marks)
7. Solve the inequality: 2x − 1 ≥ 7. (2 marks)
- x ≥ 4
- x ≤ 4
- x ≥ 3
- x > 4
8. Make x the subject: y = 5x − 2. (2 marks)
9. Solve simultaneously: x + y = 10 and x − y = 2. (2 marks)
10. Factorise: 9x − 12. (2 marks)
- 3(3x − 4)
- 9(x − 12)
- 3(3x − 12)
- 9(x − 4)
Show answer key
- 1. x = 6
- 2. x = 7
- 3. −6x + 8
- 4. x = 7
- 5. 5
- 6. 10p + 3q
- 7. x ≥ 4
- 8. x = (y + 2)/5
- 9. x = 6, y = 4
- 10. 3(3x − 4)
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