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0580/42 May/Jun 2025, Question 7: Rearranging Formulas

Cambridge IGCSE Mathematics 0580 · Paper 42 (Extended) · Calculator · 2 marks

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The question, in short

Rearrange the formula y = mx + c so that m is the subject.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Solution · 2 marks

  1. 1y − c = mx
  2. 2m = (y − c)/x

Answer(y − c)/x or y/x − c/x

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Also searched as: 0580/42/M/J/25 · 0580_s25_qp_42 · 0580 s25 42 · question 7.
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