Aider mois svp please please ?

1) 2(x+7)-3(x-1) ≤ 2+4x

    2x+14-3x+3-4x ≤ 2

    2x-3x-4x ≤ 2-14-3

    -5x ≤ -15

    x ≥ 3

S=[3;+∞[