document.write( "Question 135518: this problem comes from a teacher-made worksheet:
\n" ); document.write( "\"log%28%28x-90%29%29+=+3+-+log%28%28x%29%29\"
\n" ); document.write( "x = 100,-10
\n" ); document.write( "-10 is an extraneous solution, so x = 100
\n" ); document.write( "

Algebra.Com's Answer #99303 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
Correct \n" ); document.write( "
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