5x + 3x + 5y 1 + 3x + x 3x 5x + 4y + 3y 7m 2x 9m + 4x – – – 5 + 2x 5y 4x + 5x + 10y –4x – – 5m + + 7x 12m 6x + 14y + 8y 2x x x –4x – – – – 9. 2x + + 2y + + 1 10. + 3y + + 2 + + 1 x x x x y 11. 12. 13. + 3y + + 14. y y x –2x – 15. 5x + 2 4x + 2y + + 2 16. y x – – 3.1f Class Activity: Vocabulary for Simplifying Expressions In groups of 2 or 3 students, consider the following expressions: a) 2x + 5 + 3y, b) 2x + 5 + 3x, and c) 2x + 5x + 3x. How are these expressions similar? How are they different?
5x + 3x + 5y 1 + 3x + x 3x – 5x + 4y + 3y 7m – 2x – 9m + 4x –4x – 5 + 2x 5y – 4x + 5x + 10y –4x – 5m + x + 7x – 12m x – 6x + 14y + 8y – 2x 9. 2x + x + 2y + x + 1 10. x + 3y + x + 2 + y + 1 11. 12. 13. –2x + y – 3y + y + x 14. 15. 5x – y + 2 – 4x + 2y + x + 2 16. 3.1f Class Activity: Vocabulary for Simplifying Expressions In groups of 2 or 3 students, consider the following expressions: a) 2x + 5 + 3y, b) 2x + 5 + 3x, and c) 2x + 5x + 3x. How are these expressions similar? How are they different?
7-3-Student%20Workbook.docx