L=5r−rsL = 5r - rsL=5r−rs
Work out the value of L L\,L when r=7r = 7r=7 and s=4s = 4s=4
Practise OCR GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.