Section 7.3-7.4: Solving Linear Systems by Elimination

Textbook Sections 7.3: Solving Linear Systems by Elimination

Textbook Sections 7.4: Solving Linear Systems by Elimination

Learning Objectives

• Solve a linear system of equations using elimination by addition.
• Solve a linear system of equations using elimination by subtraction.
• Solve real-world problems using linear systems by elimination.
• Solve a linear system by multiplying one equation.
• Solve a linear system of equations by multiplying both equations.
• Compare methods for solving linear systems.
• Solve real-world problems using linear systems by any method.

Video Lessons

1. Solving Systems of Equations by Elimination

Video Examples

1. Ex 1:  Solve a System of Equations Using the Elimination Method
2. Ex 2:  Solve a System of Equations Using the Elimination Method
3. Ex 3:  Solve a System of Equations Using the Elimination Method
4. Ex:  System of Equations Application - Number Problem Using Elimination
5. Ex:  System of Equations Application - Coin Problem
6. Ex:  System of Equations Application - Plane and Wind Problem
7. Ex:  System of Equations Application  (Corral Perimeter)