document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=977064>Question 977064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x+y=a-b , ax-by=a2-b2\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #598577 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=598577\">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=x%2By=a-b ALIGN=MIDDLE  ALT=\"x%2By=a-b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%2Bay=a%5E2-ab ALIGN=MIDDLE  ALT=\"ax%2Bay=a%5E2-ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax=a%5E2-ab-ay ALIGN=MIDDLE  ALT=\"ax=a%5E2-ab-ay\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute into eq. 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2-ab-ay-by=a%5E2-b%5E2 ALIGN=MIDDLE  ALT=\"a%5E2-ab-ay-by=a%5E2-b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-ay-by=-b%5E2%2Bab ALIGN=MIDDLE  ALT=\"-ay-by=-b%5E2%2Bab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a%2Bb%29y=b%5E2-ab ALIGN=MIDDLE  ALT=\"%28a%2Bb%29y=b%5E2-ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28b%5E2-ab%29%2F%28a%2Bb%29%29 ALIGN=MIDDLE  ALT=\"y=%28b%5E2-ab%29%2F%28a%2Bb%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B%28b%5E2-ab%29%2F%28a%2Bb%29%29=a-b ALIGN=MIDDLE  ALT=\"x%2B%28b%5E2-ab%29%2F%28a%2Bb%29%29=a-b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28%28a-b%29%28a%2Bb%29%29%2F%28a%2Bb%29-%28b%5E2-ab%29%2F%28a%2Bb%29 ALIGN=MIDDLE  ALT=\"x=%28%28a-b%29%28a%2Bb%29%29%2F%28a%2Bb%29-%28b%5E2-ab%29%2F%28a%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28a%5E2-b%5E2-b%5E2%2Bab%29%2F%28a%2Bb%29 ALIGN=MIDDLE  ALT=\"x=%28a%5E2-b%5E2-b%5E2%2Bab%29%2F%28a%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28a%5E2%2Bab-2b%5E2%29%2F%28a%2Bb%29 ALIGN=MIDDLE  ALT=\"x=%28a%5E2%2Bab-2b%5E2%29%2F%28a%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );