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Solving Linear Systems by Substitution O Chapter 7 Section 2.

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Presentation on theme: "Solving Linear Systems by Substitution O Chapter 7 Section 2."— Presentation transcript:

1 Solving Linear Systems by Substitution O Chapter 7 Section 2

2 Solve Using Substitution O Steps: O 1. Choose a variable to solve for. O 2. Substitute that equation into the 2 nd equation for the variable you solve for. O 3. Solve for the variable remaining. O 4. Plug that number in to either equation to get the 2 nd variable.

3 Examples: O 1.

4 Examples: O 2.

5 Examples O 3.

6 Examples: O 4.

7 Examples: O 5.

8 Class Work O Page 408 # 18-26 even

9 Homework O Page 408 # 6,7,9-11 O Pg 410# 54-57, 60, 61, 65, 68

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