A=4p+5qA = 4p + 5qA=4p+5q p=3p = 3p=3 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.