How do you solve lnx-ln5=0?

2 Answers
Jan 4, 2017

x=5

Explanation:

Using the property that a^(log_a(x))=x and ln is the base-e logarithm:

ln(x)-ln(5) = 0

=> ln(x) = ln(5)

=> e^ln(x) = e^ln(5)

:. x = 5

Jan 4, 2017

lnx-ln5=0

Add ln5 to each side:
lnx=ln5

x=5