lnx - ln5 = ln7

lnx + ln5 = 7

Please include step by step instructions on how you solved these problems, and I would also greatly appreciate it if you would refer me to a website so I can refresh myself on logs and natural logs.

THANKS!!!!!

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lnx - ln5 = ln7

lnx + ln5 = 7

Please include step by step instructions on how you solved these problems, and I would also greatly appreciate it if you would refer me to a website so I can refresh myself on logs and natural logs.

THANKS!!!!!

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## Answers (1)

lnx - ln5 = ln7

ln(x/5)=ln7

x/5=7

x=35

lnx + ln5 = 7

ln(5x)=7

5x=e^7

x=(e^7)/5