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Substitution

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Question 81

a=7b+12a = 7b + 12a=7b+12

Find the value of a a\,a when b=4b = 4b=4

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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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