ОДЗ: 2х+1>0
х>0,5
Log по осн.3 (2х+1)>log по осн.3 (27)
2х+1>27
2х>26
х>13
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ОДЗ: 2х+1>0
х>0,5
Log по осн.3 (2х+1)>log по осн.3 (27)
2х+1>27
2х>26
х>13