0580/21 Oct/Nov 2023, Question 11: Linear Inequalities
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Calculator · 3 marks
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The question, in short
Solve the inequality 4(2x − 3) ≥ 43 + 3x, showing the steps needed to find the range of x values.
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Solution · 3 marks
- 18x − 12 ≥ 43 + 3x
- 28x − 3x ≥ 43 + 12
- 35x ≥ 55
- 4x ≥ 11
Answerx ≥ 11
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Also searched as: 0580/21/O/N/23 · 0580_w23_qp_21 · 0580 w23 21 · question 11.
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