Solve a System of 2 Linear Equations by Graphing, Substitution, & Elimination

Master solving systems of linear equations with this comprehensive tutorial! In this video, Mario's Math Tutoring breaks down three essential methods: graphing, substitution, and elimination. Whether you're a beginner or need a refresher, you'll learn step-by-step how to find the point of intersection for two linear equations. We'll cover converting to slope-intercept form, using the intercept method for graphing, isolating variables for substitution, and strategically multiplying equations for elimination. Get ready to boost your algebra skills and confidently tackle any system of equations!

Timestamps:

0:00 - Introduction to Solving Systems of Linear Equations
0:25 - Graphing Method: Overview & Slope-Intercept Form (y=mx+b)
1:05 - Graphing the First Equation
1:48 - Graphing Method: Intercept Method (x-intercept & y-intercept)
2:40 - Finding the Point of Intersection Graphically
3:05 - Limitations of the Graphing Method
3:45 - Substitution Method: Step-by-Step Guide
4:15 - Isolating a Variable for Substitution
4:55 - Substituting into the Second Equation
5:30 - Solving for Y in the Substitution Method
6:00 - Solving for X in the Substitution Method
6:25 - Elimination Method: Introduction
6:50 - Strategically Multiplying for Elimination
7:40 - Adding Equations to Eliminate a Variable
8:05 - Solving for Y in the Elimination Method
8:25 - Solving for X in the Elimination Method
8:50 - Summary of All Three Methods & When to Use Them

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