Formulae

After studying this section, you will be able to:

  • substitute numbers into formulae
  • change the subject of a formula
  • construct formulae

Substituting into formulae

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Changing the subject of formulae

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NOTE:

If the new subject is involved in a bracket, expand the bracket as soon as possible.

Lay out your working so that the steps and the flow in youralgebra are clear.

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