L=m(n−2)L = m(n - 2)L=m(n−2)
Work out the value of L L\,L when m=9m = 9m=9 and n=5n = 5n=5
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.