L=m(n−2)L = m(n - 2)L=m(n−2)
Verify that the value of L L\,L is 27 when m=9m = 9m=9 and n=5n = 5n=5
296 exam-style questions on Eduqas GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.