0
-3 + ln x = 5
Add '3' to boths sides
Hence ln x = 8
'ln' is logarithms to the natural base , which is 2.718281.... = 'e'
Hence log(e) x = 8
x = e^(8)
x = 2.71828...^8) = 2980.95798...
NB One the calculator you will find two buttons, viz. 'log' & 'ln'.
Log is logarithsm to base '10'
Ln is logarithms to base 'e' = 2.71828.... ( The exponential .
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