H=8x+3yH = 8x + 3yH=8x+3y
Work out the value of H H\,H when x=5x = 5x=5 and y=−4y = -4y=−4
Practise Edexcel GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.