document.write( "Question 334624: What does \"x\" represent?
\n" ); document.write( "7x+3=21
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Algebra.Com's Answer #239787 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
7x+3=21
\n" ); document.write( "7x=18
\n" ); document.write( "x=2.57
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