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Know if an ordered pair is a solution to a system of linear equations in two variables or not. Solve a system of linear equations in two variables by graphing. Solve a system of linear equations in two variables by the substitution method. Solve a system of linear equations in two variables by the elimination method. In this tutorial we will be specifically looking at systems that have two equations and two unknowns. Tutorial 20: Solving Systems of Linear Equations in Three Variables will cover systems that have three equations and three unknowns.
This page will show you how to solve two equations with two unknowns. There are many ways of doing this, but this page used the method of substitution. Note the = signs are already put in for you. You just need to fill in the boxes around the equals signs. Type the equations here: Equation #1:=. Equation #2: =.