Пошаговое объяснение:
0.6x<9 -2x ≤ -3 4-5x > -1 9x > 0
1/3*x≥2 x ≤ 3 1/6*x < 2 1/7*x > -1
x<9:0.6=15 x ≥ 1.5 -5x > -5 x > 0
x≥2:1/3=6 x ≤ 3 x < 2 : 1/6 x > -1 : 1/7
x< 15 x < 1 x > 0
x ≥ 6 x< 12 x > -7
