+128406 4x + 15 ≥ - 9 subtract 15 from both sides
4x ≥ - 24 divide both sides by 4
x ≥ -6
8x - 6 ≤ 34 add 6 to both sides
8x ≤ 40 divide both sides by 8
x ≤ 5
l 4x + 3 l = 3 we have two equations
4x + 3 = 3 4x + 3 = - 3
subtract 3 from both sides
4x = 0 4x = - 6
divide both sides by 4
x = 0 x = -6/4 = -3/2
