Log (x + 6)- log x=log 7

Log (x + 6) – log x = log 7
log {(x + 6) : x) } = log 7
maka :
(x + 6) : x = 7
x + 6 = 7x
7x – x = 6
6x = 6
  x = 1  

Log(x+6)-logx=log7
log(x+6)/x=log7
(x+6)/x=7
x+6=7x
6x=6
x=1