SOLUTION: what is logx - log (x+5) = -1? Thank you.
Algebra
->
Logarithm Solvers, Trainers and Word Problems
-> SOLUTION: what is logx - log (x+5) = -1? Thank you.
Log On
Algebra: Logarithm
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on logarithm
Question 195205
:
what is logx - log (x+5) = -1? Thank you.
Answer by
user_dude2008(1862)
(
Show Source
):
You can
put this solution on YOUR website!
all logs are base 10
log (x) - log (x+5) = -1
log[ (x)/(x+5) ] = -1
(x)/(x+5) = 10^(-1)
(x)/(x+5) = 1/10
10x=x+5
9x=5
x=5/9
Ans: x=5/9