Շտեմարանային առաջադրանքներ

3. 5x – 2 < 8

5x < 10

x < 10/5

x < 2

4. 4x – 10 > 2

4x > 2+10

4x > 12

x > 12/4

x > 3

6. 8x – 8 ≥ 8

8x ≥ 8+8

8x ≥ 16

x ≥ 16/8

x ≥ 8

8. 4x – 8 ≤ -8

4x ≤ -8+8

x ≤ 0

10. 15x – 15 ≥ 15

15x ≥ 15+15

15x ≥ 30

x ≥ 30/15

x ≥ 2

12. 12x – 12 > 24

12x > 24 + 12

12x > 36

x > 36/12

x > 3

14. 5(x-5) > 3(x-2)

5x – 25 > 3x – 6

5x – 3x > -6 + 25

2x > 19

x > 19/2

22. 7(x-5) > 9(x-6)

7x – 35 > 9x – 54

7x – 9x > -54 + 35

-2x > -19

x < -19/-2

x < 7

36. 4(x-6) + 3 ≤ 4(x+3) – 3

4x – 24 + 3 ≤ 4x + 12 – 3

-24 + 3 ≤ 12 – 3

-21 ≤ 9

x ∈ R