Log1/3(5x-7)-log1/3 5=log1/3 16-log1/3 10
Log1/3(5x-7)-log1/3 5=log1/3 16-log1/3 10 ОДЗ x>7/5 log1/3(5x-7)/5=log1/3 16 /10 10(5x-7)=16*5 50x-70=80 50x=150 x=3