Make x x\,x the subject of the formula a=x+4x+2\displaystyle a = \frac{x+4}{x+2}a=x+2x+4
Practise Edexcel IGCSE Maths Rearranging Harder Formulae with exam-style questions for IGCSE Maths. 13 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 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.