SOLUTION: 10^(2x-1) + 4 = 20 solving expontential equation
Algebra
->
Logarithm Solvers, Trainers and Word Problems
-> SOLUTION: 10^(2x-1) + 4 = 20 solving expontential equation
Log On
Algebra: Logarithm
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on logarithm
Question 1059078
:
10^(2x-1) + 4 = 20
solving expontential equation
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
10^(2x-1) + 4 = 20
10^(2x-1) = 16
2x-1 = log(16)
2x = log(16) + 1 = log(16) + log(10) = log(160)
x = log(160)/2
Or
x = log(sqrt(160))