SOLUTION: Express the answer in terms of e. Then use a caculator to obtain a decimal approximation, correct to two decimal places, for the solution. 1.)5In(2x) =20 Evaluate logarithmic 1.

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Express the answer in terms of e. Then use a caculator to obtain a decimal approximation, correct to two decimal places, for the solution. 1.)5In(2x) =20 Evaluate logarithmic 1.      Log On


   



Question 106898: Express the answer in terms of e. Then use a caculator to obtain a decimal approximation, correct to two decimal places, for the solution.
1.)5In(2x) =20
Evaluate logarithmic
1.)4 In (x + 6) – 3 In x

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.5ln%282x%29=20
ln%282x%29=20%2F5 Divide both sides by 5.
ln%282x%29=4 Simplify.
2x=e%5E4 Exponentiation both sides.
x=%28e%5E4%29%2F2
x=27.30
2. There's no equal sign or value for x. I'm not sure what's needed. Please re-post.