Solving Linear Systems by Substitution O Chapter 7 Section 2.

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Presentation transcript:

Solving Linear Systems by Substitution O Chapter 7 Section 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.

Examples: O 1.

Examples: O 2.

Examples O 3.

Examples: O 4.

Examples: O 5.

Class Work O Page 408 # even

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