Помогите решить неравенства 12-(4x+5)>7+x 5x+(13,4-2x)<16,4x
12 - (4x + 5) > 7 + x 7 + x + (4x + 5) < 12 7 + x + 4x + 5 < 12 5x + 12 < 12 5x < 0 x < 0 5x + (13.4 - 2x) < 16.4x 16.4x - (13.4 - 2x) - 5x > 0 11.4x - 13.4 + 2x > 0 13.4x > 13.4 x > 1