Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system.
Equivalent systems of equations is a free educational video by Khan Academy.It helps students in grades 0 practice the following standards HSA.REI.C.5.
1. HSA.REI.C.5 : Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.
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