4024/11 May/Jun 2024, Question 12: Solving Linear Equations
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 3 marks
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The question, in short
Solve the linear equation 4(2x − 3) + 5(x + 5) = 20 for x, showing working for 3 marks.
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Solution · 3 marks
- 18x − 12 + 5x + 25 = 20
- 213x + 13 = 20
- 313x = 7
- 4x = 7/13
Answer7/13
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