document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=90784>Question 90784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by graphing.<BR>\n" );
document.write( "	3x – y = 1<BR>\n" );
document.write( "	3x – y = 2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65870 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><B>praseenakos@yahoo.com(507)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><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=praseenakos@yahoo.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=65870\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question:\r<BR>\n" );
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document.write( "Solve the system by graphing.<BR>\n" );
document.write( "	3x – y = 1<BR>\n" );
document.write( "	3x – y = 2\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "If you are doing it in a graph paper,  what you have to do is,\r<BR>\n" );
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document.write( "Rewrite the given equations in terms of x as follows.\r<BR>\n" );
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document.write( "3x – y = 1\r<BR>\n" );
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document.write( "==> y= 3x - 1 ------------(1)\r<BR>\n" );
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document.write( "3x – y = 2\r<BR>\n" );
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document.write( "==> y = 3x + 2 ------------(2)\r<BR>\n" );
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document.write( "Now put some arbitrary values for x in the (1) and (2) and find out the corresponding y values.\r<BR>\n" );
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document.write( "For(1),  when x = 0, y = 3*0 -1 = 0 - 1 = -1\r<BR>\n" );
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document.write( "when x = 1, y = 3 * 1 - 1 = 3 - 1 = 2\r<BR>\n" );
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document.write( "When x = 2, y = 3 * 2 - 1 = 6 - 1 = 5\r<BR>\n" );
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document.write( "Now plot this values on  the graph paper.\r<BR>\n" );
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document.write( "Similarly find out x and y values for the second equation and plot the graph.\r<BR>\n" );
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document.write( "Then the graphs will come like this....\r<BR>\n" );
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document.write( "Here you can see that the lines are parallel...that means they do not have solutions.\r<BR>\n" );
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document.write( "Hope you found the explanation useful.\r<BR>\n" );
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document.write( "Regards.\r<BR>\n" );
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document.write( "Praseena.\r<BR>\n" );
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