(-∞, 2]
12x+4<5x-10
10x-9≤2x-3
2x+1>1-x
5x+3>2x-3
(-∞, 3/4]
(-2, +∞)
(0, +∞)
(-∞, -2)
9x+5<2x-8
6x-10≤3x+8
8x-10≥2x+5
(-∞, -13/7)
[5/2, +∞)
4x-10≥14x-30
(-∞, 6]
