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Solving Simultaneous Equations by Substitution




 
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More Lessons for GCSE Maths

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Videos to help GCSE Maths students learn how to solve simultaneous equations by substitution.

Solving Simultaneous Equations by Substitution Example 1
This video demonstrates how to solve simultaneous equations by substitution.
Simultaneous Equations : Substitution Method : Example 1
In this tutorial you are shown how to solve a simultaneous equation by the substitution method. You are also shown how it relates to the intersection of two graphs and why there are two sets of solutions.



Simultaneous Equations : Substitution Method : Example 2
This is the second example of solving a simultaneous equation by substitution in which one equation contains an xy term. The aim is to demonstrate which variable makes for the easier substitution. You are also shown how it relates to the intersection of two graphs and why there are two sets of solutions.
The substitution method for solving simultaneous equations
Video tutorial lesson on the substitution method for solving simultaneous equations.


 

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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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