SOLUTION: Log x - log(x+7) = -1

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Question 972756: Log x - log(x+7) = -1
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Log x - log(x+7) = -1
?
What base?
Log%28%28x%29%29-log%28%28x%2B7%29%29=-1
log%28%28x%2F%28x%2B7%29%29%29=-1
b%5E%28-1%29=x%2F%28x%2B7%29 for some unknown base b
b=%28x%2B7%29%2Fx
bx=x%2B7
bx-x=7
%28b-1%29x=7
highlight%28x=7%2F%28b-1%29%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Log x - log(x+7) = -1
highlight_green%28x+=+7%2F9%29