# Substitution 4

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Collecting Like Terms 1
Collecting Like Terms 2
Simplifying Algebraic Expressions Involving Multiplication
Expanding a Single Bracket
Expanding 2 Single Brackets
Expanding Double Brackets
Expanding Complex Double Brackets (Fluent Method)
Expanding Double Brackets (Fluency)
Factorising Expressions
Factorising (Complex)
Solving One-Step Linear Equations
Solving Two-Step Equations
Solving Two-Step Equations (With Division)
Solving Equations with x on Both Sides
Linear Sequences (nth Term)
Solving Linear Equations from Geometry Questions
Solving Linear Equations
Solving Linear Equations Involving Fractions
Changing the Subject of the Formula 1
Changing the Subject of the Formula 2
Changing the Subject of the Formula 3
Basic Intro to Substitution
Substitution 2
Substitution 3
Substitution 4
Trial and Improvement
Solving Simultaneous Equations
Solving Simultaneous Equations in Context
Simultaneous Equations (Complex)
Quadratic Formula
Solving Quadratics by Factorising 1
Solving Quadratics by Factorising 2
Solving Quadratic Equations Using the Quadratic Formula
Complete the Square 1
Complete the Square 2
Completing the Square
Algebraic Fractions
Algebraic Fractions with Exam Question
Direct and Inverse Proportion
Transformations of Functions 1
Transformations of Functions 2