2 * (2 - 3х) 3 - 4х
-------------- + 1 = -----------
5 3
4 - 6х + 5 3 - 4х
------------- = ----------
5 3
9 - 6х 3 - 4х
-------- = ---------
5 3
3 * (9 - 6х) = 5 * (3 - 4х)
27 - 18х = 15 - 20х
- 18х + 20х = 15 - 27
20х - 18х = - 12
2х = - 12
х = - 12 : 2
х = - 6