document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=689942>Question 689942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the point of intersection of the pair of straight lines. \r<BR>\n" );
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document.write( "y =  \r<BR>\n" );
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document.write( "5\r<BR>\n" );
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document.write( "6\r<BR>\n" );
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document.write( "x &#8722; 9 <BR>\n" );
document.write( "x + 6y + 18 = 0  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426093 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+56x+-9 ALIGN=MIDDLE  ALT=\"y+=+56x+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+6y+%2B+18+=+0 ALIGN=MIDDLE  ALT=\"x+%2B+6y+%2B+18+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >........write both in standard form<BR>\n" );
document.write( "_______________________ \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-56x%2By+=+-9 ALIGN=MIDDLE  ALT=\"-56x%2By+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >............both side multiply by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6 ALIGN=MIDDLE  ALT=\"-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+6y+=-18 ALIGN=MIDDLE  ALT=\"x+%2B+6y+=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "____________________solve the system by addition\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=336x-6y+=+54 ALIGN=MIDDLE  ALT=\"336x-6y+=+54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+6y+=-18 ALIGN=MIDDLE  ALT=\"x+%2B+6y+=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >......solve the system by addition<BR>\n" );
document.write( "___________________________\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=336x%2Bx-6y%2B6y+=+54%2B%28-18%29 ALIGN=MIDDLE  ALT=\"336x%2Bx-6y%2B6y+=+54%2B%28-18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=337x+=+54-18 ALIGN=MIDDLE  ALT=\"337x+=+54-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=337x+=+36 ALIGN=MIDDLE  ALT=\"337x+=+36\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+36%2F337 ALIGN=MIDDLE  ALT=\"x+=+36%2F337\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+0.11 ALIGN=MIDDLE  ALT=\"x+=+0.11\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "now find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+6y+=-18 ALIGN=MIDDLE  ALT=\"x+%2B+6y+=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >....plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+0.107 ALIGN=MIDDLE  ALT=\"x+=+0.107\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.107%2B+6y+=-18 ALIGN=MIDDLE  ALT=\"0.107%2B+6y+=-18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6y+=-18-0.107 ALIGN=MIDDLE  ALT=\"+6y+=-18-0.107\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6y+=-18.107 ALIGN=MIDDLE  ALT=\"+6y+=-18.107\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=-18.107%2F6 ALIGN=MIDDLE  ALT=\"+y+=-18.107%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=-3.02 ALIGN=MIDDLE  ALT=\"+y+=-3.02\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, the two lines intersect at the point (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.11 ALIGN=MIDDLE  ALT=\"0.11\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3.02 ALIGN=MIDDLE  ALT=\"-3.02\"   DISABLED_style= \"max-width:90%; height:auto;\" >) \r<BR>\n" );
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document.write( "on this graph you can see that point \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28600%2C600%2C-5%2C5%2C-5%2C5%2Cgrid%281%29%2Ccircle%280.2%2C-3.03%2C0.1%29%2Cgraph%28600%2C600%2C-5%2C5%2C-5%2C5%2C-56x%2B9%2C-x%2F6-3%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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