document.write( "Question 548162: right that the answer to 21=x-13 is 8
\n" ); document.write( "my girlfriend says its 34
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Algebra.Com's Answer #356742 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
21=x-13\r
\n" ); document.write( "\n" ); document.write( "add 13 t0 both sides
\n" ); document.write( "21+13=x-13+13
\n" ); document.write( "34=x+0\r
\n" ); document.write( "\n" ); document.write( "x=34
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