SOLUTION: Log 5 (1/125)=x-1 can someone help me solve for x?
*note, the "5" is supposed to be the little number that hangs beside the log and the "(1/125)" is supposed to be the big numbe
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Question 606711: Log 5 (1/125)=x-1 can someone help me solve for x?
*note, the "5" is supposed to be the little number that hangs beside the log and the "(1/125)" is supposed to be the big number beside it but I didn't know how to make it look like that on here.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Just write it like you did but use an underscore following log to indicate that what comes next is a subscript, thus:
log_5(1/125) means
)
Then, let's begin:
\ =\ x\ -\ 1)
Use the definition of logarithms:
 \ \ \Rightarrow\ \ b^y = \chi)
Which means, for this problem:
Note that 
and recall that 
Recall that 
, hence:
Solve for 
John
My calculator said it, I believe it, that settles it
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