Make a a\,a the subject of 4a+7b+8=04a + 7b + 8 = 04a+7b+8=0
Practise Edexcel GCSE Maths Changing the Subject of a Formula with exam-style questions for Foundation and Higher tier. 80 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.