SOLUTION: this problem comes from a teacher-made worksheet: {{{log((x-90)) = 3 - log((x))}}} x = 100,-10 -10 is an extraneous solution, so x = 100

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Question 135518: this problem comes from a teacher-made worksheet:

x = 100,-10
-10 is an extraneous solution, so x = 100

Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!
Correct
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