Worked example: non-equivalent systems of equations | High School Math | Khan Academy

From the creator

Sal analyzes a couple of systems of equations and determines whether they have the same solution as a third given system. Watch the next lesson: https://www.khanacademy.org/math/high-school-math/math1/math1-systems-of-eq/math1-solving-systems-of-equations-with-substitution/v/solving-systems-with-substitution?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath Missed the previous lesson? https://www.khanacademy.org/math/high-school-math/math1/math1-systems-of-eq/math1-equivalent-systems-of-equations/v/identifying-equivalent-systems-of-equations?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it. About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership

Published 2015-09-03 · Watch on YouTube ↗
Availability and playback restrictions are controlled by the original channel.