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Substitution

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Question 39

y=3x−zy = 3x - zy=3x−z

x=−9x = -9x=−9 z=4z = 4z=4

Work out the value of yyy.

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Substitution Questions

  1. GCSE
  2. /Maths
  3. /Substitution

108 exam-style questions on Edexcel GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.

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