document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=88288>Question 88288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Goodmorning, I need help with this <BR>\n" );
document.write( "Solve the system by graphing, addition and substitution methods.<BR>\n" );
document.write( "	3x +   y = –1<BR>\n" );
document.write( "	9x + 3y = –3<BR>\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #64131 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=64131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x + y = –1<BR>\n" );
document.write( "9x + 3y = –3\r<BR>\n" );
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document.write( "Multiply both sides of the first equation by -3 to eliminate the y terms.<BR>\n" );
document.write( "-3*(3x + y) = (-3)*–1<BR>\n" );
document.write( "9x + 3y = –3\r<BR>\n" );
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document.write( "-9x -3 y = 3<BR>\n" );
document.write( "9x + 3y = –3\r<BR>\n" );
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document.write( "When you add the equations together you get 0=0, which is ALWAYS TRUE.  Any time you get 0=0, it means that the equations actually represent the SAME LINE.  The entire line is the solution.\r<BR>\n" );
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document.write( "R^2<BR>\n" );
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