Cazul (1) x < -1/2:
-2x-1 - 3x -4x+1 ≥ x -2
-9x ≥ x -2
-10x ≥ -2
x ≤ 1/5
=> x ∈ (-ꝏ, -1/2)
Cazul (2) x ∈ [-1/2, 0):
2x+1 - 3x - (4x-1) ≥ x-2
2x-3x-4x +1+1 ≥ x-2
-6x ≥ 0
x ≤ 0
=> x ∈ [-1/2, 0)
Cazul (3) x ∈ [0, 1/4):
(2x+1) + 3x - (4x-1) ≥ x-2
x+2 ≥ x-2
2 ≥ -2
=> x ∈ [0, 1/3)
Cazul (4) x ≥ 1/4:
2x+1 + 3x + 4x-1 ≥ x-2
9x ≥ x -2
8x ≥ -2
x ≥ -1/4
=> x ∈ [1/4, +ꝏ)
Din (1) ∪ (2) ∪ (3) ∪ (4):