How do you solve log_7 4-log_7(x-4)=log_7 41?

1 Answer
Aug 7, 2016

x = 168/41

Explanation:

log_7 4-log_7(x-4)=log_7 41

If log terms are being subtracted, the numbers are being divided.

log_7(4/(x-4))= log_7 41

:. 4/(x-4)= 41 " if " logA = logB, "then " A = B

4 = 41(x-4)

4 = 41x -164

4+164 = 41x

168 = 41x

x = 168/41