log3(5x+4)=log3(9)+log3(4x-3)
log3(5x+4)=log3(9·(4x-3))
log3(5x+4)=log3(36x-27)
5x+4=36x-27
5x-27x=-27-4
-22x=-33
x=1,5
ответ 1,5
log3(5x+4)=log3(9)+log3(4x-3)
log3(5x+4)=log3(9·(4x-3))
log3(5x+4)=log3(36x-27)
5x+4=36x-27
5x-27x=-27-4
-22x=-33
x=1,5
ответ 1,5