√ (2Х - 4) = 3
--------------
2Х - 4 = 9
2Х = 13
Х = 6,5
----------
2Х - 4>0 ;2X > 4 ; X > 2
ОТВЕТ Х = 6,5
===================
√ ( 4 - 2Х ) = 2
4 - 2Х = 4
4 - 4 = 2Х
2Х = 0
Х = 0
-------------
4 - 2Х > 0 ; 2X < 4 ; X < 2
----------------------------
ОТВЕТ Х = 0
====================
Log (5) ( 2X - 3 ) = Log (5) 5
2X - 3 = 5
2X = 8
X = 4
ОТВЕТ Х = 4