Di mohon bantuannya kakak

½x -(2x-1) ≤ ⅔(6x+12)
(x-4x+2)/2 ≤ (12x+24)/3
3(-3x +2) ≤ 2(12x+24)
-9x +6 ≤ 24x +48
-9x -24x ≤ 48-6
-33x ≤ 42
x ≥ - 42/33
x ≥ -14/11
(D)