1=ln(x+9)

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813

1

1=ln(x+9)

how do you solve?

Guest Aug 7, 2014

+33661

+10

Best Answer

ln(a) = b means that a = e^b, so ln(x+9) = 1 means x+9 = e¹ so x = e - 9 or in approximate decimal form:

$${\mathtt{x}} = {\mathtt{e}}{\mathtt{\,-\,}}{\mathtt{9}} \Rightarrow {\mathtt{x}} = -{\mathtt{6.281\: \!718\: \!171\: \!540\: \!954\: \!8}}$$

Alan Aug 7, 2014

Alan · Answer 1 · 2014-08-07T07:13:32

ln(a) = b means that a = e^b, so ln(x+9) = 1 means x+9 = e¹ so x = e - 9 or in approximate decimal form:

$${\mathtt{x}} = {\mathtt{e}}{\mathtt{\,-\,}}{\mathtt{9}} \Rightarrow {\mathtt{x}} = -{\mathtt{6.281\: \!718\: \!171\: \!540\: \!954\: \!8}}$$