2х>0. Х>0
{Х+1>0. {Х> -1
ОДЗ х>0
2х<Х+1<br>Х<1<br>С учётом ОДЗ
////////////////////
-------(0)--------(1)--------
\\\\\\\\\\\\\\\\\\\\\
Х€(0;1)
2). 1-Х>0
Х<1 ОДЗ <br>1=Log2 2
Log2 (1-x) < Log2 2
1-x<2. <br>X> -1
\\\\\\\\\\\\\\\\\\\\
-------(-1)--------(1)--------
/////////////////////
X€(-1;1)