- Section 3: Independent Practice
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Solving Systems of Equations Without a Graph

Unit 3: Systems of Equations
Lesson 7 of 13

Objective: Students will be able to solve a system of equations algebraically by substituting one equation into the other in order to have an equation in one variable. Students will become fluent in this algebraic technique and will conceptually understand the reasoning behind using the substitution technique.

Big Idea: I really like this lesson because of the scaffolds that are in place in the beginning of the lesson. The examples are very simple but really force students to think about what it means to "substitute" one thing for another. Then, once the problem becomes

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systems substitution 1 middle
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