SOLUTION: solve ln(5-X)-ln(5+X)=-ln9 my sol. 5-ln5=-ln9

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Question 371259: solve ln(5-X)-ln(5+X)=-ln9
my sol. 5-ln5=-ln9
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve ln(5-X)-ln(5+X)=-ln9
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ln[(5-x)/(5+x) = -ln(9
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ln[(5-x)/(5+x)] = ln(1/9)
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(5-x)/(5+x) = 1/9
Cross multiply to get:
9(5-x)= 5+x
45-9x = 5+x
10x = 40
x = 10
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Cheers,
Stan H.