SOLUTION: Sorry I submitted my problem wrong, the question is ln(4x)=ln(x+5) can you help with this problem, please?
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Question 201583: Sorry I submitted my problem wrong, the question is ln(4x)=ln(x+5) can you help with this problem, please?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since the bases of the logs are equal (they are both base "e"), this means that the arguments (the stuff inside) MUST be equal. So...
Set the arguments equal to one another.
Subtract from both sides.
Combine like terms on the left side.
Divide both sides by to isolate .
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Answer:
So the solution is which approximates to .
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