1) 2-3/6-5x-4/9<1 2) 48+5x/12-2x+6/15>или равно 0

1) 2 - 3/6 - 5x - 4/9 < 1;

2 - 3/6 - 4/9 - 1 < 5x;

(2 - 1) + ( - 3/6 - 4/9) < 5x;

1 + ( - 3 * 3/18 - 4 * 2/18) < 5x;

1 + ( - 9/18 - 8/18) < 5x;

1 - (9 + 8) / 18 < 5x;

1 - 17/18 < 5x;

18/18 - 17/18 < 5x;

(18 - 17) / 18 < 5x;

1/18 < 5x;

1/18 : 5 < 5x : 5;

1/18 * 1/5 < x;

1/18 * 5 < x;

х ˃ 1/90;

2) 48 + 5x/12 - 2x + 6/15 ≥ 0;

5x/12 - 2x ≥ 0 - 48 - 6/15;

5x/12 - x - х ≥ - 48 6/15;

5x/12 - 12x/12 - х ≥ - 48 6/15;

(5x-12 х) / 12 - х ≥ - 48 6/15;

-7 х/12 - х ≥ - 48 6/15;

-1 7 х/12 ≥ - 48 6/15;

-19 х/12 ≥ - 726/15;

-19 х/12 * (-12/19) ≤ - 726/15 * (-12/19);

х ≤ 726/5 * 4/19;

х ≤ 2904/95;

х ≤ 30 54/95;