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Distributive Property & Combining Like terms
- 1. Agenda Thursday, Sept. 24 1. Do Now Distribute and combine like terms 6(4x + 5) - 8x 9n - (5n + 18) 22t - (10 - 11t) 2. correct homework 3. properties of real numbers Homework 11 p. 56 # 1 - 9, 35 - 38 22t - 10 + 11t 33t - 10 24x + 30 - 8x 16x + 30 9n - 5n - 18 4n - 18
- 2. Pizzazz 2.10 1. 5(4x - 13) = 20x - 65 2. -4(9x - 2) = -36x + 8 3. 7x - 3(5 + x) 7x - 15 - 3x 4x - 15 4. 2x - 6(4x - 11) 2x - 24x + 66 -22x + 66 5. 5 + 8(8x - 1) 5 + 64x - 8 64x - 3 6. -9 + 2(-x - 16) -9 -2x - 32 -2x - 41 7. 3(12x + 5) - 10x 36x + 15 - 10x 26x + 15
- 5. 8. -5(1 - 6x) + 15 -5 + 30x + 15 30x + 10 9. 1/3(9x - 24) + x 3x - 8 + x 4x - 8 10. 7 - 3/4(-8x + 20) 7 + 6x - 15 6x - 8 11. 4x + 4(9x - 2) - 3 4x + 36x - 8 - 3 40x - 11 12. 10x - 3(7 - 2x) + 18 10x - 21 + 6x + 18 16x - 3 13. 11 + 6(-5a - 6) - 4a 11 - 30a - 36 - 4a -34a - 25 14. 15 - 2(4 + 7a) + 5a 15 - 8 - 14a + 5a -9a + 7 15. -3a + 8 - 8(7 - 2a) -3a + 8 - 56 + 16a 13a - 48
- 6. More Practice: 5( 2x + 1) +8 10x + 13 7( 2x + 1) + 4x 18x + 7 -3 (y - 5) + 4(y + 1) y + 19 4( 2x + 1) + 2(x - 1) 6x + 2 8( 1 - 3x) - 2x 8 - 26x 6(2x) - 3(7x + 4) -9x - 12
