1 Chapter 9 Mole Factors Calculations with Equations Limiting Reactions Percent Yield.
Brackets Factors and Equations
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![Page 1: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/1.jpg)
Brackets Factors and Equations
Exercises 1 and 2
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Oral Examples: Factorise
1. 2x + 6y = 2 ( )
2. 3x - 6y = 3 ( )
3. 8x + 2y = 2 ( )
4. 8x - 4y = 4 ( )
![Page 3: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/3.jpg)
Oral Examples: Factorise
1. 2x + 6y = 2 ( x + 3y)
2. 3x - 6y = 3 ( x – 3y)
3. 8x + 2y = 2 (4x + y)
4. 8x - 4y = 4 ( 2x - y)
![Page 4: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/4.jpg)
Oral Examples: Factorise
5. 3x + 12 = 3 ( )
6. 12x - 4 = 4 ( )
7. 30 + 5y = 5 ( )
8. 6 - 30y = 6 ( )
![Page 5: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/5.jpg)
Oral Examples: Factorise
5. 3x + 12 = 3 (x + 4)
6. 12x - 4 = 4 ( 3x - 1)
7. 30 + 5y = 5 (6 + y)
8. 6 - 30y = 6 ( 1 – 5y)
![Page 6: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/6.jpg)
Oral Examples: Factorise
9. 4x + 6y = 2 ( )
10. 6x - 9y = 3 ( )
11. 10x + 8 = 2 ( )
12. 15x - 12 = 3 ( )
![Page 7: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/7.jpg)
Oral Examples: Factorise
9. 4x + 6y = 2 (2x + 3y)
10. 6x - 9y = 3 (2x – 3y)
11. 10x + 8 = 2 (5x + 4)
12. 15x - 12 = 3 (5x - 4)
![Page 8: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/8.jpg)
Oral Examples: Factorise
13. 8 + 12y = 4 ( )
14. 20 - 24y = 4 ( )
15. 12x + 18y - 30z = 6 ( )
16. 18x - 24y + 30z = 6 ( )
![Page 9: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/9.jpg)
Oral Examples: Factorise
13. 8 + 12y = 4 (2 + 3y)
14. 20 - 24y = 4 (5 – 6y)
15. 12x + 18y - 30z = 6 (2x + 3y – 5z)
16. 18x - 24y + 30z = 6 (3x – 4y + 5z)
![Page 10: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/10.jpg)
Exercise 3: Factorise
1. 2x + 2y
2. 3x - 3y
3. 4x + 4
4. 5 - 5y
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Exercise 3: Factorise
1. 2x + 2y = 2( x + y)
2. 3x - 3y = 3(x + y)
3. 4x + 4 = 4( x + 1)
4. 5 - 5y = 5( 1 – y)
![Page 12: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/12.jpg)
Exercise 3: Expand
5. 2x + 10y
6. 10x - 5y
7. 12x + 2
8. 6 - 12y
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Exercise 3: Expand
5. 2x + 10y = 2(x + 5y)
6. 10x - 5y = 5(2x – y)
7. 12x + 2 = 2(6x + 1)
8. 6 - 12y = 6(1 – 2y)
![Page 14: Brackets Factors and Equations](https://reader035.fdocuments.net/reader035/viewer/2022062314/5681364b550346895d9dcbbb/html5/thumbnails/14.jpg)
Factorise
9. 3x + 15y
10. 15x - 5y
11. 18x + 6
12. 3 - 18y
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Factorise
9. 3x + 15y = 3(x + 5y)
10. 15x - 5y = 5(3x – y)
11. 18x + 6 = 6(3x + 1)
12. 3 - 18y = 3(1 – 6y)
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Exercise 3: Factorise
13. 4x + 20y
14. 20x - 5y
15. 24x + 6
16. 4 - 24y
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Exercise 3: Factorise
13. 4x + 20y= 4(x + 5y)
14. 20x - 5y = 5(4x – y)
15. 24x + 6 = 6(4x + 1)
16. 4 - 24y = 4(1 – 6y)
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Exercise 3: Factorise
17. 2x + 4y
18. 9x - 3y
19. 16x + 4
20. 5 - 25y
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Exercise 3: Factorise
17. 2x + 4y= 2(x + 2y)
18. 9x - 3y = 3(3x – y)
19. 16x + 4 = 4(4x + 1)
20. 5 - 25y = 5(1 – 5y)
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Exercise 3: Factorise
21. 6x + 10y
22. 10x - 4y
23. 6x + 8
24. 12 - 10y
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Exercise 3: Factorise
21. 6x + 10y = 2(3x + 5y)
22. 10x - 4y = 2(5x – 2y)
23. 6x + 8 = 2(3x +4)
24. 12 - 10y = 2(6 – 5y)
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Exercise 3: Factorise
25. 6x + 15y
26. 15x - 9y
27. 9x + 12
28. 18 - 15y
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Exercise 3: Factorise
25. 6x + 15y = 3(2x + 5y)
26. 15x - 9y = 3(5x – 3y)
27. 9x + 12 = 3(3x + 4)
28. 18 - 15y = 3(6x – 5y)
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Exercise3: Factorise
29. 10x + 15y
30. 25x - 10y
31. 15x + 20
32. 25 - 15y
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Exercise 3: Factorise
29. 10x + 15y = 5(2x + 3y)
30. 25x - 10y = 5(5x – 2y)
29. 15x + 20 = 5(3x + 4)
32. 25 - 15y = 5(5 – 3y)
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Exercise 3: Factorise
33. 8x + 20y
34. 20x - 12y
35. 12x + 16
36. 16 - 20y
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Exercise 3: Factorise
33. 8x + 20y = 4(2x +5y)
34. 20x - 12y = 4(5x – 3y)
33. 12x + 16 = 4(3x + 4)
36. 16 - 20y = 4(4 – 5y)
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Exercise 3: Factorise
37. 12x + 18y
38. 30x - 12y
39. 18x + 24
40. 30 - 18y
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Exercise 3: Factorise
37. 12x + 18y = 6(2x + 3y)
38. 30x - 12y = 6(5x – 2y)
39. 18x + 24 = 6(3x + 4)
40. 30 - 18y = 6(5 – 3y)
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Exercise 3: Factorise
41. 25x + 20y
42. 25x - 30y
43. 30x + 24
44. 30 - 36y
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Exercise 3: Factorise
41. 25x + 20y = 5(5x + 4y)
42. 25x - 30y = 5(5x – 6y)
43. 30x + 24 = 6(5x + 4)
44. 30 - 36y = 6(5 – 6y)
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Exercise 3: Factorise
45. 4x + 6y + 10z
46. 6x - 8y + 10z
47. 6x + 9y - 15z
48. 9x - 12y - 15z
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Exercise 3: Factorise
45. 4x + 6y + 10z= 2(2x + 3y + 5z)
46. 6x - 8y + 10z = 2(3x – 4y + 5z)
47. 6x + 9y - 15z = 3(2x + 3y – 5z)
48. 9x - 12y - 15z = 3(3x – 4y – 5z)
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Exercise 3: Factorise
49. 10x + 15y + 25z
50. 15x - 20y + 25z
51. 8x + 12y - 20z
52. 12x - 16y - 20z
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Exercise 3: Factorise
49. 10x + 15y + 25z = 5(2x + 3y + 5z)
50. 15x - 20y + 25z = 5(3x – 4y +5z)
51. 8x + 12y - 20z= 4(2x +3y – 5z)
52. 12x - 16y - 20z = 4(3x – 4y – 5z)
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Exercise 4
1. xy + xz
2. xy - xz
3. yz + yx
4. zx - zy
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Exercise 4
1. xy + xz = x(y + z)
2. xy - xz = x(y – z)
3. yz + yx = y(z + x)
4. zx - zy = z(x – y)
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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Exercise 4
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