Section 7.2: Solving Linear Systems by Substitution
Textbook Section 7.2: Solving Linear Systems by Substitution
Textbook Section 7.2: Solving Linear Systems by Substitution
Learning Objectives
• Solve systems of equations with two variables by substituting for either variable.
• Manipulate standard form equations to isolate a single variable.
• Solve real-world problems using systems of equations.
• Solve mixture problems using systems of equations.
Section 7.2 Videos
Video Lessons
Video Examples
- Ex 1: Solve a System of Equations Using Substitution
- Ex 2: Solve a System of Equations Using Substitution
- Ex 3: Solve a System of Equations Using Substitution
- Ex: System of Equations Application - Number Problem Using Substitution
- Ex: System of Equations Application - Entrance Fees
- Ex: System of Equations Application - Commission and Salary
- Ex: System of Equations Application - Investment Accounts
- Ex: System of Equations Application - Mixture Problem
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