GCSE Secondary Maths Age 13-17 - Algebra: Subject of Formula - Explained

The video tutorial explains how to make P the subject of a formula. It begins with an introduction to the formula and the importance of balancing both sides. The instructor demonstrates how to clear fractions by multiplying both sides by R and then isolates P by removing R from both sides. The tutorial concludes with a discussion on the marks awarded for each step and emphasizes the importance of understanding the process for exams.

What is the first step taken to manipulate the formula involving P, Q, R, and S?

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Explain how multiplying both sides of the equation by R affects the formula.

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Describe the process of removing R from both sides of the equation.

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What does the final equation look like after making P the subject?

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What are the two operations that could earn marks in this question?

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