ln(-x) + ln 3 = ln (2x-15) I have no idea how to do these.
O ocgirl83 New member Joined Sep 3, 2005 Messages 39 Nov 13, 2005 #1 ln(-x) + ln 3 = ln (2x-15) I have no idea how to do these.
D Daniel_Feldman Full Member Joined Sep 30, 2005 Messages 252 Nov 13, 2005 #2 ln(-x) + ln 3 = ln (2x-15) ln(-x*3)=ln(2x-15) -3x=2x-15 -5x=-15 x=3
