## U5 L1 Opener SW to Tables.jpg - Section 1: Opener: Ways to Make 50 Cents

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# Solving Problems in Two or More Unknowns

Unit 9: Systems of Equations
Lesson 1 of 20

## Big Idea: The reason systems of equations exist as an algebra topic is that they're a tool to be used when a problem has more than one unknown variable.

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Subject(s):
Math, Systems of Equations and Inequalities, Algebra, problem solving, guess and check, modeling
43 minutes

### James Dunseith

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