Make x x\,x the subject of the formula ab=2xx+5\displaystyle \frac{a}{b} = \frac{2x}{x+5}ba=x+52x
Practise OCR GCSE Maths Rearranging Harder Formulae with exam-style questions for Foundation and Higher tier. 52 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.