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FuseSchool
Solving Simultaneous Equations By Substitution
In this video we are going to discover how to solve simultaneous equations by substitution. Simultaneous equations are two or more equations with two or more unknowns that must be solved at the same time; hence the name...
Virtual Nerd
Virtual Nerd: What Is a Linear Equation?
Find out what linear equations are, and understand what makes an equation linear or nonlinear. [5:48]