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
.