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Changing the Subject of a Formula

Changing the Subject of a Formula

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Question 25

P=3a+3bP = 3a + 3bP=3a+3b

a.

Show that P−3b=3aP - 3b = 3aP−3b=3a.

[1]
b.

Hence, make a a\,a the subject of the formula.

[1]
Markscheme

Changing the Subject of a Formula Questions

  1. GCSE
  2. /Maths
  3. /Changing the Subject of a Formula

210 exam-style questions on Eduqas GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.

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