1.-127x + 8 < 43x - 3
127x + 8 < 43x - 32
7x + 8 < 83x - 6
7x + 8 – 83x < 83x – 6 - 83x
133x + 8 < -6
133x + 8 – 8 < -6 -8
133x < -14
x < -4213
2.- 14(7x + 8- x 4 x 3 > 12(5X - 7)
14(7x + 8- x 4 x 3 >125x-74
7x + 8 - x > 10x - 14
6x + 8 > 10x - 14
6x + 8 – 6x > 10x – 14 - 6x
8 > 4x - 14
8 + 14 > 4x – 14 + 14
22 > 4x
224 > x O112> x
3.- -122x + 7 ≤ 2x + 1
2 – 122x + 7 ≤ 2x + 12
-2x – 7 ≤ 4x + 2
-2x – 7 + 2x ≤ 4x – 2 + 2x
-7 ≤ 6x + 2
-7 – 2 ≤ 6x + 2 - 2
-9 ≤ 6x
-96 ≤ x