Решите неравенство Log 3 (7-3x)<3

Question

Решите неравенство
Log 3 (7-3x)<3

Answer 1

Log_3^(7-3x)<3<br>7-3x<27<br>-3x<20 :-3<br>x>20/3

Answer 2

Log3(7-3x)<3<br>D(y): 7-3x>0
X<7/3<br>7-3x<27<br>3x>-20
X>-20/3
Ответ: (-20/3;7/3)