5:19 Solving simultaneous equations by substitution
Clear UK walkthrough of solving simultaneous equations by substitution, rearranging then substituting.
Simultaneous equations - check solutions by substitution
Understand that solutions can be checked by substitution
5 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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10:27 Solving Systems of Equations By Elimination & Substitution With 2 Variables
Corbettmaths shows how to solve linear simultaneous equations using substitution.
5:05 Substitution Method | Simultaneous Equations
Focused lesson on solving simultaneous equations by substitution with worked examples.
6:56 Simultaneous Equations explained step by step - GCSE Maths
Step-by-step GCSE substitution method explained in detail with clear working out.
2:19 Method of Substitution Steps to Solve Simultaneous Equations
Quick, well-structured steps for the substitution method to solve simultaneous equations.