document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121437>Question 121437</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by addition or substitution.\r<BR>\n" );
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document.write( "9x+3y=24<BR>\n" );
document.write( "y=8-3x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89119 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=89119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=8-3x now replace y with (8-3x) in the other equation.<BR>\n" );
document.write( "9x+3(8-3x)=24<BR>\n" );
document.write( "9x+24-9x=24<BR>\n" );
document.write( "9x-9x=24-24<BR>\n" );
document.write( "0=0 therefore there are no unique solutions as these 2 line equations are parallel or the same line as follows:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-3x+%2B8%2C+y+=-3x+%2B8+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y+=+-3x+%2B8%2C+y+=-3x+%2B8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions y = -3x +8 and y = -3x +8).  </SPAN>\n" );
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