0580/21 May/Jun 2026, Question 6: Simultaneous Equations by Elimination
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Non-calculator · 2 marks
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The question, in short
Solve the pair of simultaneous equations 2x − y = 3 and x + y = 12, giving the values of x and y.
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Solution · 2 marks
- 1Add the equations: 3x = 15
- 2x = 5
- 35 + y = 12, so y = 7
Answerx = 5, y = 7
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