A=5p+6qA = 5p + 6qA=5p+6q
p=10p = 10p=10 q=−2q = -2q=−2
Verify that the value of A A\,A is 38.
296 exam-style questions on Eduqas GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.