Khan Academy
Khan Academy: Solving a System of 3 Equations and 4 Variables Using Matrix
Sal solves a linear system with 3 equations and 4 variables by representing it with an augmented matrix and bringing the matrix to reduced row-echelon form.
Khan Academy
Khan Academy: Solving Linear Equations and Linear Inequalities Harder Example
Watch [2:52] Sal work through a harder solving linear equations problem.
Khan Academy
Khan Academy: Solving Linear Equations and Linear Inequalities Basic Example
Watch (1.19) Sal work through a basic Solving linear equations problem.
Study Pug
Study Pug: Graphing Linear Inequalities in Two Variables
In this lesson, you will learn how to solve linear inequalities as well as how to graph the solutions on number lines and the XY plane. [8:22]
Sophia Learning
Sophia: Writing Linear Equations in Point Slope Form
This lesson will demonstrate how to write linear equations in point-slope form.
Sophia Learning
Sophia: Finding the Graphical Solution for Two Equations
This lesson will review how to solve for a linear system of equations by graphing.
Sophia Learning
Sophia: Simultaneous Linear Equations With No Solution: Lesson 2
This lesson explores how to determine if a linear system of equations has no value pairs in common. It is 2 of 10 in the series titled "Simultaneous Linear Equations with No Solution."
Sophia Learning
Sophia: Linear Equations and Word Problems
Here we discuss how to setup and solve a word problem using linear equations.
Sophia Learning
Sophia: Linear Equations and Word Problems
Here we discuss how to setup and solve a word problem using linear equations.
Sophia Learning
Sophia: Solving a System of Linear Equations Involving Distance, Rate and Time
In this lesson, students will learn Solving a System of Linear Equations involving Distance, Rate and Time
Sophia Learning
Sophia: Solving a System of Linear Equations
In this lesson, students will learn Solving a System of Linear Equations given Cost and Quantity Relationships
Sophia Learning
Sophia: Representing Real World Area With Systems of Linear Inequalities #2
In this lesson, students will learn to represent area with linear inequalities
Sophia Learning
Sophia: Solving Linear Inequalities by Graphing #2
This lesson illustrates how to solve for linear inequalities by graphing.
Other
Professor Freedman's Video Snippets Solving a Linear Equation
Professor Ellen Freedman uses this very short video to explain how to solve linear equations. She offers five specific tips to remember on how to do this.
Shmoop University
Shmoop: Linear Equations
This resource provides a short video about linear equations. [1:25]
Sophia Learning
Sophia: Solving a System of Linear Equations Given Two Cost Relationships
In this lesson, students will learn Solving a System of Linear Equations given two Cost Relationships
Study Pug
Study Pug: Solving Linear Equations Using Multiplication and Division
This video will walk you step-by-step through the process of solving one-step linear equations by multiplication and division. [2:39]
Study Pug
Study Pug: Introduction to Linear Equations
This video teaches how to determine if an expression is a linear equation; and how to graph a linear equation. [1:35]