Make x x\,x the subject of the formula ab=2xx+5\displaystyle \frac{a}{b} = \frac{2x}{x+5}ba=x+52x
Practise Oxford AQA IGCSE Maths Rearranging Harder Formulae with exam-style questions for Core and Extended tier. 13 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.