Make x x\,x the subject of the formula pr=4xx+3\displaystyle \frac{p}{r} = \frac{4x}{x+3}rp=x+34x
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Rearranging Harder Formulae Questions
52 exam-style questions on Edexcel GCSE Maths Rearranging Harder Formulae. Each one has a worked solution and a mark scheme showing where the marks go.