document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=67796>Question 67796</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by graphing.<BR>\n" );
document.write( "x + y = 3<BR>\n" );
document.write( "x - y = 1\r<BR>\n" );
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document.write( "I did:\r<BR>\n" );
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document.write( "x + y = 3        y = -x + 3       m = -1, 6 = 3<BR>\n" );
document.write( "x - y = 1        -y = -x + 1      m = -1, 6 = 1\r<BR>\n" );
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document.write( "on my graph they coincided with each other instead of intersecting which is how the answer reads. (2,1)\r<BR>\n" );
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document.write( "Where did I go wrong?\r<BR>\n" );
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document.write( "Thanks a lot. Kyle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48211 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=48211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+Y=3<BR>\n" );
document.write( "Y=-X+3<BR>\n" );
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document.write( "X-Y=1<BR>\n" );
document.write( "-Y=-X+1<BR>\n" );
document.write( "Y=X-1 this is where you made your mistake. you neglected to change -y to +y by multiplying the equation by -1.<BR>\n" );
document.write( "also you have a 6 instead of a y in your answer. <BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+300%2C+200%2C+-6%2C+5%2C+-5%2C+5%2C+y+=+-x+%2B3%2C+y+=+x+-1%29 ALIGN=MIDDLE  ALT=\"graph%28+300%2C+200%2C+-6%2C+5%2C+-5%2C+5%2C+y+=+-x+%2B3%2C+y+=+x+-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -5 to 5, of TWO functions y = -x +3, y = x -1).  </SPAN>\n" );
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