Lesson 4: Solving Linear Systems by Elimination
Module 7: Systems of Linear Equations
Discover
You are familiar with adding and subtracting numbers and polynomials. In this lesson you will investigate the addition and subtraction of equations. Can equations be added or subtracted? What would be the benefit of doing so?
In this activity you will explore properties of linear systems, which will ultimately lead to a new strategy for solving a system of linear equations.
Math Lab: Properties of Linear Systems
Go Math Lab: Properties of Linear Systems and complete it.
Math Lab: Properties of Linear Systems
Once you have completed these questions, use the link below to check your answers. Make any corrections or notes as needed. File this in your binder.
Math Lab Answers
As you proceed in this lesson, think about how your discovery about the properties of equations can help you to solve a linear system algebraically.