Elementary Linear Algebra Lecture 3 - Solving Linear Systems of Equations (part 2)

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This lecture covers the following topics (you can skip to any topic by jumping to the indicated time):
- Augmented Matrix
- Elementary row operations 3:00
- Solution using elimination 6:43.70
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Hello kindly explain how you solve those, I'm confused how you solve it. Thank you

LorPhan
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sorry.... but how the 1st row in the last augmented matrix become 1 in the a11
19:40

davincicoder