Make x x\,x the subject of the formula a=x+4x+2\displaystyle a = \frac{x+4}{x+2}a=x+2x+4
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Markscheme
Rearranging Harder Formulae Questions
13 exam-style questions on Oxford AQA IGCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.