Make a a\,a the subject of the formula x=4+3a2a−2b\displaystyle x = \frac{4+3a}{2a-2b}x=2a−2b4+3a
215 exam-style questions on Eduqas GCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.