Khan Academy
Khan Academy: Algebra: Solving Systems by Substitution 3
This video demonstrates how to solve a system of linear equations by substitution. It also takes it a step further and graphs the system of equations on a coordinate grid. [6:04]
Khan Academy
Khan Academy: Algebra: Solving Systems by Elimination 3
This video demonstrates how to solve and graph a given system of equations by eliminating a variable. [4:58]
Khan Academy
Khan Academy: Algebra: Solving Systems by Graphing 2
This video demonstrates how to use a graph in order to determine the number of solutions for a system of linear equations. [3:26]
Khan Academy
Khan Academy: Algebra: Solving Systems by Graphing 3
This video demonstrates how to graph a system of equations and identify how many solutions it has. [5:08]
Khan Academy
Khan Academy: Algebra: Solving Linear Equations by Graphing
This video demonstrates how to solve systems of two equations by graphing each line and finding the point of intersection. [8:30]
Khan Academy
Khan Academy: Algebra: Graphings Systems of Equations
This video demonstrates how to solve a system of linear equations by graphing and finding the point of intersection. [6:35]
Study Pug
Study Pug: Money Related Questions in Linear Equations
Show me the money! In this video, we are going to solve some linear equations word problems that are related to money. [5:36]