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42510011 0010 1010 1101 0001 0100 1011
AIM: How can we solve a system using addition or subtraction?
Topic: Solving systems by adding or subtracting
AIM: How can we solve a system using addition or subtraction?
DO NOW:
Mini-Lesson/Guided Practice
You can use the Addition and Subtraction
Properties of Equality to solve a system by the
elimination method. You can add or subtract
equations to eliminate a variable.
Guided Practice
Guided Practice
Guided Practice
Guided Practice
Guided Practice
Guided Practice
Independent Practice
Homework• pp. 390–393
• Practice by example: ex. 3, 6, 8
• Apply your skills: ex. 39, 41
• Challenge: ex. 44
• Test Prep: ex. 47, 48
• Mixed Review: ex. 51–55, 57, 58
Guided Practice• pp. 387–388:
• Examples 1, 2
• Quick Check 1, 2
• p. 390–391: ex. 1, 2, 4, 5, 7