4024/23 May/Jun 2026, Question 8: Solving Linear Equations
Cambridge O Level Mathematics 4024 · Paper 23 (Calculator) · Calculator · 4 marks
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The question, in short
Solve two linear equations, one with x and one with y, showing the value of each unknown.
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Part (a) · 2 marks
Solve 12x + 3 = 7 to find x.
- 112x = 7 − 3 = 4
- 2x = 4/12 = 1/3
Answer1/3
Part (b) · 2 marks
Solve (8 − y) ÷ 3 = 5 to find y.
- 1Multiply both sides by 3: 8 − y = 5 × 3 = 15
- 2y = 8 − 15 = −7
Answer−7
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