A=5p+6qA = 5p + 6qA=5p+6q p=10p = 10p=10 q=−2q = -2q=−2
Work out the value of AAA.
Practise Edexcel IGCSE Maths Substitution with exam-style questions for IGCSE Maths. 27 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.