## U5 L14 Lesson Notes.pdf - Section 1: Opener (and opener, and opener...)

U5 L14 Lesson Notes.pdf

# The Most Important Algebraic Idea of the Year

Unit 9: Systems of Equations
Lesson 14 of 20

## Big Idea: At the center of algebra is the idea that if this is the same thing as that, then we can replace that with this, and use the results to solve a problem.

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43 minutes

### James Dunseith

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