## 5 - 8 WU67 Elimination 2 - add or subtract only.docx - Section 1: Warm-up

5 - 8 WU67 Elimination 2 - add or subtract only.docx
5 - 8 WU67 Elimination 2 - add or subtract only.docx

# Elimination 2 - add or subtract only

Unit 5: SYSTEMS OF LINEAR EQUATIONS
Lesson 8 of 19

## Big Idea: If we don't have additive inverses, what should we do? Rather than "change the signs," push kids to understand that you are multiplying an equation by -1.

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75 minutes

### Jeff Li MTP

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