document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=643056>Question 643056</A>: <I><SPAN STYLE=\"word-break: break-all;\"> xy+zw=ab+cd ;Solve for d </SPAN>\n" );
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document.write( "xy + zw = ab + cd<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Solve for d<BR>\n" );
document.write( "...<BR>\n" );
document.write( "xy + zw - ab = cd<BR>\n" );
document.write( "...<BR>\n" );
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