Tentukan penyelesaian pertidaksamaan berikut:

1. 2x + 3 > 4
2x > 4 – 3
2x > 1
x > 1/2
2. 5a – 1 >= 6
5a >= 6 + 1
5a >= 7
a >= 7/5 -> 1 2/7
3. 5x – 7 > 9x – 23
5x – 9x > -23 + 7
-4x > -16
x < 4
4. 10a – 2 < 2a + 14
10a – 2a < 14 + 2
8a < 16
a < 2
5. 7y <= 2y + 10
7y – 5y <= 10
2y <= 10
y <= 5