Make x x\,x the subject of the formula a=4+2bx2x−3\displaystyle a = \frac{4+2bx}{2x-3}a=2x−34+2bx
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.