Rearrange the formula P=3w−7w+4m\displaystyle P = \frac{3w - 7}{w + 4m}P=w+4m3w−7 to make w w\,w the subject.
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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.