Log 3 (3-4x)= log3(1-5x)+1
Log 3 (3-4x)=log3(1-5x)+log 3 3 log 3(3-4x)=log3 3(1-5x) 3-4x=3-15x 11x=0 x=0 Проверка log 3 3 = log3 1 +1 1= 0+1