Solutions; 5x-4x & gt； - 15- 1

x & gt- 16

(2)2(x+5)& lt； 3 (x-5)

Solution: 2x+ 10

2x-3x & lt； - 10- 15

-x & lt； -25

x & gt25

The remaining two denominators should be removed first, so follow this step.

The second question is listed according to the meaning of the question. All right.

The third question:

6x & gtOr =6- 1.2