Question 167603
Log (10^3)= ln(x)-ln(7) (asking for exact answer)
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3 = ln(x) - ln(7)  (Log is the exponent of 10)
ln(x) = ln(7) + 3
ln(x) = ln(7) + ln(e^3)  Same thing, 3 is the ln of e^3
ln(x) = ln(7e^3)  Adding logs means to multiply
x = 7e^3