0580/43 Oct/Nov 2025, Question 10: Simultaneous Equations by Elimination
Cambridge IGCSE Mathematics 0580 · Paper 43 (Extended) · Calculator · 2 marks
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The question, in short
Solve the simultaneous equations 3x + 5y = 5 and 2x − 5y = 45, showing all working.
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Solution · 2 marks
- 1Add the equations: 5x = 50
- 2x = 10
- 33(10) + 5y = 5 → 5y = −25
- 4y = −5
Answerx = 10, y = −5
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Also searched as: 0580/43/O/N/25 · 0580_w25_qp_43 · 0580 w25 43 · question 10.
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