Asked by Cecilia
Not sure if I'm doing this right
Ln(3x-4)-Ln(x+1)=Ln(2)
My solution:
Ln 3x-4/x+1 =Ln2
3x-4/x+1=2/1
2x+2=3x-4
2=x-4
6=x
Ln(3x-4)-Ln(x+1)=Ln(2)
My solution:
Ln 3x-4/x+1 =Ln2
3x-4/x+1=2/1
2x+2=3x-4
2=x-4
6=x
Answers
Answered by
Reiny
yes you are correct, but you must put brackets when typing in this format.
On paper you probably extend the fraction bar over the (x+1) but the way you typed it, it would be understood as
3x - 4/x + 1 as 3 separate terms on the left side
check out this reply
http://www.jiskha.com/display.cgi?id=1270500607
On paper you probably extend the fraction bar over the (x+1) but the way you typed it, it would be understood as
3x - 4/x + 1 as 3 separate terms on the left side
check out this reply
http://www.jiskha.com/display.cgi?id=1270500607
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