Question 193123
4log4+logx=6
log4^4+logx=6
to  add  logs  is  to  multiply
log (4^4*x)=6
log256x=6
raise  to  power  of  base  10
10^log(256x)=10^6
256x=10^6=1000000
x=1000000/256=3906.25

check
4log4+log3906.25=6
2.4082+3.5918=6
6=6