Make x x\,x the subject of the formula 2x+a=b(x−2)2x + a = b(x - 2)2x+a=b(x−2)
Hence find the value of x x\,x when a=4a=4a=4 and b=6b=6b=6.
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.