Changing the subject of formulae

Changing the subject of formulae

Secondary 2

3 marks

TGM Original Questions

Make the variable in square brackets the subject: \((p+q)(3r+q)=4r-2\) [\(r\)].[3]

Assume \(3(p+q)\ne4\).

Solution:

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Answer:\(r=-\dfrac{q(p+q)+2}{3(p+q)-4}\)

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