Linear solving and changing a subject

Linear solving and changing a subject

IP 1
5 marks
TGM Original Questions
  1. Solve \(3(2x-1)=4x+9\).[2]
  2. Solve \(x+4<9\).[1]
  3. Make \(w\) the subject of \(P=2l+2w\).[2]

Solution:

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Answer:(a) \(x=6\) (b) \(x<5\) (c) \(w=\dfrac{P-2l}{2}\)

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