Question

solve for X... e^x-1-2.3 (this is a logarithm section of the book)

Answer 1

\[e^{x-1}-2.3\]?

Answer 2

oops, that should read =2.3

Answer 3

\[e ^{x-1}=2.3\]

Answer 4

Take ln of both side
ln e^(x-1)=ln (2.3)
x-1=ln(2.3)

Answer 5

** ln and e cancel, leaving us with just (x-1)

Answer 6

x=ln(2.3)+1

Answer 7

wait a sec... ln and e cancel???

Answer 8

yes,
ln e = 1

Answer 9

I see... ok, thanks!