SOLUTION: Evaluate: log ( 7x - 4 ) = 3
Algebra
->
Algebra
->
Exponential-and-logarithmic-functions
-> SOLUTION: Evaluate: log ( 7x - 4 ) = 3
Log On
Ad:
Algebra Solved!™
: algebra software solves algebra homework problems with step-by-step help!
Ad:
Algebrator™
solves your algebra problems and provides step-by-step explanations!
Algebra: Exponent and logarithm as functions of power
Solvers
Lessons
Answers archive
Quiz
In Depth
If you need
immediate math help from PAID TUTORS right now
, click here
. (paid link)
Click here to see ALL problems on Exponential-and-logarithmic-functions
Question 83896
:
Evaluate:
log ( 7x - 4 ) = 3
Found 2 solutions by
Nate, stanbon
:
Answer by
Nate(3500)
(
Show Source
):
You can
put this solution on YOUR website!
log ( 7x - 4 ) = 3
7x - 4 = 10^3 = 1,000
7x = 1,004
x = 1,004/7
Answer by
stanbon(48569)
(
Show Source
):
You can
put this solution on YOUR website!
Evaluate:
log ( 7x - 4 ) = 3
Rewrite in exponential form:
7x-4 = 10^3
7x-4 = 1000
7x = 1004
x = 143.4286
=======================
Cheers,
Stan H.