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Math Planet

Math Planet: The Substitution Method for Solving Linear Systems

For Students 9th - 10th
A way to solve a linear system algebraically is to use the substitution method. The substitution method functions by substituting the one y-value with the other. This resource explains this method by showing an example along with a video.
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Khan Academy

Khan Academy: Substitution Method Review (Systems of Linear Equations)

For Students 7th - 9th
This article will take you through a step-by-step approach for solving a systems of linear equations. Article also includes practice questions.
Article
Khan Academy

Khan Academy: One Step Multiplication & Division Equations

For Students 4th - 8th Standards
Based on our understanding of the balance beam model, we know that that to keep a true equation, we always have to do the same thing to both sides of an equation. But how do we know what to do to both sides of the equation? Learn to...
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Mocomi & Anibrain Digital Technologies

Mocomi: What Is an Equation?

For Students 2nd - 8th Standards
Explains the different types of equations and provides examples to solve.