SOLUTION: what is logx - log (x+5) = -1? Thank you.
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Question 195205: what is logx - log (x+5) = -1? Thank you.
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
all logs are base 10
log (x) - log (x+5) = -1
log[ (x)/(x+5) ] = -1
(x)/(x+5) = 10^(-1)
(x)/(x+5) = 1/10
10x=x+5
9x=5
x=5/9
Ans: x=5/9
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