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  Module 1 Section 1 Section 2 Section 3
  Module 2 Section 1 Section 2 Section 3
  Module 3 Section 1 Section 2 Section 3
  Module 4 Section 1 Section 2 Section 3
  

Module 4—Section 2: Solving Linear Systems

Lesson A: Modeling Linear Systems

Demo: Using a Diagram to Model a Situation

Demo: Using a Table to Model a Situation

Demo: Using a Linear System to Model a Mixture Problem

Lesson B: Solving Linear Systems by Graphing

Demo: Solving a Problem by Graphing a Linear System

Lesson C: Solving Linear Systems by Substitution

Demo: Multiplying Two Binomials

Demo: Solving a Linear System by Substitution

Demo: Solving Interest Problems by Substitution

Lesson D: Solving Linear Systems by Elimination

Demo: Solving a Linear System by Elimination

Demo: Linear System: Solve a Problem Involving Mixtures

Demo: Linear System: Solve a Problem Involving Mixtures 2