- #1
nvez
- 21
- 0
Homework Statement
This one has has me pretty lost, I'm not at all sure what to do, I've tried a couple of things. I have to find x.
2(x-1) = 5(73x)
Homework Equations
Logarithm laws?
The Attempt at a Solution
(did multiple attempts but my most reasonable to my account)
2(x-1) = 5(73x)
[2(x-1)/5] = 73x
[(x-1) log 2/5] = 3x log 7
(x-1) log 2 = 5(3x*log 7)
(x-1) log 2 = 15x * 5 log 7
(x-1) log 2 = 15x * log 75
(x-1) log 2 = 15x * log 16807
x-1 = (15x * log 16807) / (log 2)
x-1 = 15x * 14.034
x = 15x * 14.034 + 1
x = 15x * 15.034
x/15x = 15.034
1/15x = 15.034
x = 15.034 * (1/15)
x = 210.51
I believe I am completetly off and I really can't figure this out, help will be appreciated!