ln x - ln 10 = ln 9

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ln x - ln 10 = ln 9

Guest Feb 25, 2015

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Best Answer

ln(x) - ln(10) = ln(9)

Two log expressions that create a subtraction problem can be replaced with one log expression of a division.

---> ln(x) - ln(10) = ln(x/10)

So: ln(x/10) = ln(9)

This statement is true only if x/10 = 9 ---> x = 90

geno3141 Feb 26, 2015

geno3141 · Answer 1 · 2015-02-26T01:45:51

ln(x) - ln(10) = ln(9)

Two log expressions that create a subtraction problem can be replaced with one log expression of a division.

---> ln(x) - ln(10) = ln(x/10)

So: ln(x/10) = ln(9)

This statement is true only if x/10 = 9 ---> x = 90