Mathematics GCSE
substitution method
What substitution method means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of substitution method
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Reference: Pearson Edexcel
Making one letter the subject and replacing it in the other equation.
Topics that use substitution method
- Algebra - Solving equations and inequalities (Pearson Edexcel GCSE)
Related terms
- Algebraic modelling of real-world situations
- Approximate solution
- Coefficient
- completing the square
- Defining variables and interpreting solutions
- Discriminant
- Elimination
- Factor
Using substitution method in the exam
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