0580/13 May/Jun 2022, Question 19: Solving Linear Equations
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 3 marks
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The question, in short
Form an equation in n for Joe's operations (treble n, subtract 5, result 22) and solve it to find n.
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Solution · 3 marks
- 13n − 5 = 22
- 23n = 27
- 3n = 9
Answer9
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