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0580/22 Oct/Nov 2021, Question 17: Solving Linear Equations

Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 1 mark

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The question, in short

Solve the equation formed by the product of (5x − 3) and (2x + 7) equalling zero, giving the values of x.

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

Solution · 1 mark

  1. 15x − 3 = 0 or 2x + 7 = 0
  2. 2x = 3/5 or x = −7/2

Answer3/5 and −7/2

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