## U5 L16 Opener.jpg - Section 1: Opener: A 3D System

U5 L16 Opener.jpg

# Sweet Problems with Two Variables

Unit 9: Systems of Equations
Lesson 16 of 20

## Big Idea: When we're working on "classic elimination problems" it's important to recognize whether we're looking for an unknown cost or an unknown quantity.

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Standards:
Subject(s):
Math, linear systems, Algebra, Systems of Equations and Inequalities, substitution method, problem solving, elimination method, linear combination
43 minutes

### James Dunseith

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