A=p−2qA = p - 2qA=p−2q p=−4p = -4p=−4 q=−7q = -7q=−7
Work out the value of AAA.
Practise CIE IGCSE Maths Substitution with exam-style questions for Core and Extended tier. 27 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) 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.