(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

log(x)-log(x+4)=2

2. Relevant equations

knowledge of logs

3. The attempt at a solution

This question was on a test, and I found the answer to be approximately -400/99.

I was marked off, because apparently the answer is no solution?

I checked wolframalpha, and they say the answer is -400/99

Am I right?

Thanks

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# Log(x)-log(x+4)=2 discrepancy

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