amyannereed1999 amyannereed1999

23-10-2016
Mathematics

contestada

How do I work out this problem? Ln(5x-3)=Ln9-Ln(x-3)

Respuesta :

23-10-2016

Using the laws of logs, the equation can be simplified to:
5x - 3 = 9/(x - 3)
Cross-multiplying gives:
(5x - 3)(x - 3) = 9
Expanding and rearranging, we get:
5x^2 - 18x = 0
which factorizes to:
x(5x - 18) = 0
Therefore x = 0, 3 3/5.

Answer Link

Otras preguntas

One liter contains ___ mL.

In both Australia and New Zealand, the governor-general has a large amount of official authority, including the right to appoint many officials. Why is the gove

Which policy did the United States implement in postwar Japan? (Points : 3) rebuilding the nation collection of war reparations developing a strong and permanen

what are the benefits of asexual reproduction

You buy a game for $40, and the sales tax is $2. What percent of the game price are you paying in sales tax? 4% 5% 8% 20%

What did the use of atomic bombs during World War II lead to? a ban on all nuclear weapons for all developed countries for years in the future the need for a gl

Consider the following system of equations. y = 2x - 2 y - 2x = 9 What can you conclude about the system of equations?

How do you reduce 42/70- math

What is C6H5 called?

Only 3 students in each event win medals at the track meet. If 9 students are running the mile, what fraction of them will win a medal?