Curated OER
Multiple Variables in an Equation
Young mathematicians apply problem-solving skills to equations that have more than one variable. They will work through the process to problem solve and discover the solution.
Curated OER
Substitution Process in Problem Solving
Students apply the substitution process to solve equations with more than one variable. They explore how to use the process and when it should be used.
Sophia Learning
Sophia: Equations of Several Variables: Lesson 2
This lesson explains how we might represent an equation in terms of more than one variable. It is 2 of 5 in the series titled "Equations of Several Variables."