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Substitution

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Question 5
75%

y=4x+6zy = 4x + 6zy=4x+6z

x=7x = 7x=7 z=−3z = -3z=−3

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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