document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459613>Question 459613</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I'm 46 years old and working on refreshing my skills.  How do I solve this using the addition or subtraction method?\r<BR>\n" );
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document.write( "2x+y=18<BR>\n" );
document.write( "2x-y=22\r<BR>\n" );
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document.write( "Thank You\r<BR>\n" );
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document.write( "2x+y=18  ...(1)<BR>\n" );
document.write( "2x-y=22  ...(2)\r<BR>\n" );
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document.write( "adding eq(1)and eq(2), we have<BR>\n" );
document.write( "4x=40<BR>\n" );
document.write( "x=10<BR>\n" );
document.write( "again substracting eq(1)-eq(2)<BR>\n" );
document.write( "2y=-4<BR>\n" );
document.write( "y=-2<BR>\n" );
document.write( "x=10 and y=-2 </SPAN>\n" );
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