document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178030>Question 178030</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linear System<BR>\n" );
document.write( "Solve each linear system using the method of substitution.<BR>\n" );
document.write( "c) 5x-y=4<BR>\n" );
document.write( "   3x+y=4<BR>\n" );
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document.write( "[1]5x-y=4<BR>\n" );
document.write( "[2]3x+y=4<BR>\n" );
document.write( "</center><BR>\n" );
document.write( "From [1],<BR>\n" );
document.write( "5x-y=4<BR>\n" );
document.write( "y=5x-4<BR>\n" );
document.write( "Substituting to [2],<BR>\n" );
document.write( "3x+5x-4=4<BR>\n" );
document.write( "8x=8<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "y=5(1)-4=5-4=1\r<BR>\n" );
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document.write( "Therefore, x=1 and y=1.\r<BR>\n" );
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