In algebra, the substitution method is one of the ways to solve linear equations in two variables. In this method, we substitute the value of a variable found by one equation in the second equation.

A step by step guide showing how to solve a system of linear equations with the substitution method

The substitution method is a technique for solving a system of equations. This article reviews the technique with multiple examples and some practice problems for you to try on your own.

How to solve systems lines (2 variable linear equations) by substitution explained with examples and interactive practice problems worked out step by step.

We have another example where the original system of equations is easily solved by using substitution. In this case, both equations are already solved for a variable; therefore, we can …

Jul 1, 2025 · In this post, I’ll show you how substitution works with a step-by-step example, walk through a common mistake, and even show you what’s happening graphically so it really sticks.

These algebra lessons, with videos, examples and step-by-step solutions, introduce the technique of solving systems of equations by substitution. A system of equations is a collection of two or …