Make x x\,x the subject of the formula 2x+a=b(x−k)2x + a = b(x - k)2x+a=b(x−k) Give your answer in terms of aaa, b b\,b and kkk.
215 exam-style questions on OCR GCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.