Make x x\,x the subject of the formula ab=2xx+5\displaystyle \frac{a}{b} = \frac{2x}{x+5}ba=x+52x
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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.