H=4f+gH = 4f + gH=4f+g
Work out the value of H H\,H when f=5f = 5f=5 and g=−2g = -2g=−2
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.