SOLUTION: When you solve a logarithmic equation, why is it important to always check your solution by substituting the solution(s) into the original logarithmic equation?

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Question 193614: When you solve a logarithmic equation, why is it important to always check your solution by substituting the solution(s) into the original logarithmic equation?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
When you solve a logarithmic equation, why is it important to always check your solution by substituting the solution(s) into the original logarithmic equation?
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Sometimes you get negative answers which might not work in the original
equation because you cannot find the log of a negative number.
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Cheers,
Stan H.