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Substitution

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Question 59

a=5bca = 5bca=5bc

b=−4b = -4b=−4 c=−3c = -3c=−3

Work out the value of aaa.

Hence work out the value of 3a−43a-43a−4.

[3]
Markscheme

Substitution Questions

  1. GCSE
  2. /Maths
  3. /Substitution

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

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