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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




15 years ago

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
15 years ago

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