Instructional video

Multiplying an equation by a number does not change the solution

teaches Common Core State Standards CCSS.Math.Content.HSA-REI.C.5 http://corestandards.org/Math/Content/HSA/REI/C/5
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In this lesson you will learn why multiplying an equation by a number does not change the solution to the system of equations by using the multiplication property of equality.
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