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Substitution

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Question 3
62%

X=a−3bX = a - 3bX=a−3b

a=−6a = -6a=−6 b=−4b = -4b=−4

Work out the value of XXX.

[2]
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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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