SOLUTION: Can anyone help me solve this problem? Solve for x 4^(5x-3) = 1 I know the answer is 3/5 but don't know how to get there! Thanks! Sandy

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Can anyone help me solve this problem? Solve for x 4^(5x-3) = 1 I know the answer is 3/5 but don't know how to get there! Thanks! Sandy      Log On


   

Question 20265: Can anyone help me solve this problem?
Solve for x
4^(5x-3) = 1
I know the answer is 3/5 but don't know how to get there!
Thanks!
Sandy
Answer by rahman(247) About Me  (Show Source):
You can put this solution on YOUR website!
4%5E%285x-3%29+=+1
4%5E%285x-3%29+=+4%5E0
Then,
5x-3 = 0
5x-3+3=0+3
5x=3
5x%2F5=3%2F5
x=3/5