In this video we are going to explore what and how to solve a system of equations when they are already solved for y. Should ...

In this video I will explain the only times I want students to use substitution over elimination. The reason for this is that ...

We have looked at how to solve equations with one unknown value, but what happens when there are two unknown values? An equation with two unknown values will have infinitely many solutions. or \(x=100 ...