document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459611>Question 459611</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 substitution method?\r<BR>\n" );
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document.write( "x+3y=23<BR>\n" );
document.write( "3x-2y=3\r<BR>\n" );
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document.write( "Thanks\r<BR>\n" );
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document.write( "x+3y=23   ...(1)<BR>\n" );
document.write( "3x-2y=3   ...(2)\r<BR>\n" );
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document.write( "from eq(1)<BR>\n" );
document.write( "x=23-3y<BR>\n" );
document.write( "now substituting the value of x in eq (2)<BR>\n" );
document.write( "3(23-3y)-2y=3<BR>\n" );
document.write( "69-9y-2y=3<BR>\n" );
document.write( "-11y=-66<BR>\n" );
document.write( "y=6<BR>\n" );
document.write( "and hence x=23-18=5 </SPAN>\n" );
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