How to take the log of an equation?

Let’s learn how to take the log of an equation. The most accurate or helpful solution is served by dummies.com.

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How to Solve an Exponential Equation by Taking the Log of ...

Sometimes you just can’t express both sides of an exponential equation as powers of the same base. When facing that problem, you can make the exponent go away by ...

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Answer:

Lny equals x times lno 2 minus ln2 plus x. Then raise everything by the constant e. y equals 3x -2.

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Anonymous at ChaCha Mark as irrelevant Undo

Answer:

You are an amazing mathematician, have you considered going into teaching? All I see in your equation...

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ChaCha Mark as irrelevant Undo

Answer:

You have to put your question in context and use the equation properly. The HH equation is about finding...

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4TNQFVA4GYPHJO3Y2VFKV5BZ4Q at Yahoo! Answers Mark as irrelevant Undo

How do I solve this log equation?

2 (5^ (x+1) ) = 1 + 3/(5^x) That's 2 times (5 to the power of (x+1) = 1 plus (3 divided by (5 to the power x) I need the answer to be in the form of a + log b where the log is in base 5 and a and b are integers. The problem I have with this equation...

Answer:

Does this help? http://www.wolframalpha.com/input/?i=2+%…

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cwjakesteel at Yahoo! Answers Mark as irrelevant Undo

Why did my use of log properties not work out?

I'm told to find the inverse of [math]y=ln(x+3)[/math]. I flip x and y, and as such, [math]x=ln(y+3)[/math]; here I see two different ways to go about it, the first being [math]ex=e ln(y+3)[/math], --> [math]y=ex-3[/math]; and the second being [math...

Answer:

I don't know what you're asking exactly, but many of the properties of things like exponents and logarithms...

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Daniel McLaury at Quora Mark as irrelevant Undo

Answer:

1) 3Log(x - 15) = (¼)^x Graphing seems the only reasonable solution method although some deduction...

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Solve the logarithmic equation log(3x)=log(5)+log(x-4). Reject any value that is not in the domain of the?

Solve the logarithmic equation log(3x)=log(5)+log(x-4). Reject any value that is not in the domain of the original logarithmic expressions.

Answer:

log(3x) = log(5) + log(x - 4) log(3x/5) = log(x - 4) 3x/5 = x - 4 3x = 5x - 20 2x = 20 x = 10

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Best fit equation of a curve on a log log graph

I'm looking for the equation that fits the data listed below. What is the equation that best fits this data? y=f(x)?? On log log paper, the curve appears like the equation 1-e^(-ax) appears on linear linear paper. x y 0.0012 0.002 0.0014 0.022 0.00...

Answer:

Hello Tmall I have used the excellent Curve Expert to compile this list of possible solutions to your...

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tmall-ga at Google Answers Mark as irrelevant Undo

10 points! solve the equation show work log (x)=log (7)?

4^x=4^2x+1 2^4x+1=2^2x-3 log (x)=log (7) log(x+20)=log(9x-20)

Answer:

For the third equation: x=7. All u do is get rid of the log. For the fourth equation: drop the log....

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