Log по основанию 3 (x-3)>0

[latex]log _{3} (x-3) extgreater 0\log _{3} (x-3) extgreater log _{3}1 \ a=3 extgreater 1 \ x-3 extgreater 1\x-3 extgreater 0\ \ x extgreater 4\x extgreater 3\[/latex]x ∈ [latex](4;+ infty)[/latex]