# Lesson 11ETo Market with MatricesSolidify Understanding

Solve each system of equations using an algebraic method.

## Set

### 7.

Create a matrix to match each step in the solving of the system of equations given. Also, write a description of what happened to the equation and the matrix between steps.

System of Equations

Description

Matrix

Given System

⬇︎

Multiply row by

⬇︎

⬇︎

Step 1

⬇︎

⬇︎

⬇︎

Step 2

⬇︎

⬇︎

⬇︎

Step 3

⬇︎

⬇︎

⬇︎

Step 4

⬇︎

⬇︎

Step 5

## Go

Solve each system of equations by graphing.