document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174289>Question 1174289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Earl solved the following system of equation using substitution.<BR>\n" );
document.write( "x + y = 3 <BR>\n" );
document.write( "2x - 3y = 16 \r<BR>\n" );
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document.write( "Earl's Solution <BR>\n" );
document.write( "2(3-y)-=16<BR>\n" );
document.write( "6-y-3y=16\r<BR>\n" );
document.write( "\n" );
document.write( "6-4y=16<BR>\n" );
document.write( "6-6-4y=16-6<BR>\n" );
document.write( "    4y=10<BR>\n" );
document.write( "   -4y=10 <BR>\n" );
document.write( "   -4= -4<BR>\n" );
document.write( "y=-2.5<BR>\n" );
document.write( "x+(-2.5)=3<BR>\n" );
document.write( "x=5.5\r<BR>\n" );
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document.write( "Unfortunately, he made a mistake. Locate his error </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #799700 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=799700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> it should be 2(3-y)-3y=16; the -3y was forgotten<BR>\n" );
document.write( "6-5y=16<BR>\n" );
document.write( "-5y=10<BR>\n" );
document.write( "y=-2<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "That checks<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );