document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=318583>Question 318583</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve:<BR>\n" );
document.write( "  1/x-4/y-3/z=19<BR>\n" );
document.write( "  5/x+3/y-4/z=-7<BR>\n" );
document.write( "  3/x+1/y+3/z=-18<BR>\n" );
document.write( "  <BR>\n" );
document.write( "the second one is : write the partial fraction decomposition of an improper rational expression<BR>\n" );
document.write( "ex: <BR>\n" );
document.write( "     x^2+8x/x^2+x-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228037 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=228037\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [A]=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C3%2C1%2C-4%2C-3%2C5%2C3%2C-4%2C3%2C1%2C3%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%283%2C3%2C1%2C-4%2C-3%2C5%2C3%2C-4%2C3%2C1%2C3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "[x]=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C1%2C1%2Fx%2C1%2Fy%2C1%2Fz%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%283%2C1%2C1%2Fx%2C1%2Fy%2C1%2Fz%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "[b]=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%283%2C1%2C19%2C-7%2C18%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%283%2C1%2C19%2C-7%2C18%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "[A][x]=[b]<BR>\n" );
document.write( "[A]inv[A][x]=[A]inv[b]<BR>\n" );
document.write( "[x]=[A]inv[b]<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "det[A]=133<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "[A]inv=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F133%29%2A%28matrix%283%2C3%2C13%2C9%2C25%2C-27%2C12%2C-11%2C-4%2C-13%2C23%29%29 ALIGN=MIDDLE  ALT=\"%281%2F133%29%2A%28matrix%283%2C3%2C13%2C9%2C25%2C-27%2C12%2C-11%2C-4%2C-13%2C23%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "[x]=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F133%29%2A%28matrix%283%2C1%2C634%2C-795%2C429%29%29 ALIGN=MIDDLE  ALT=\"%281%2F133%29%2A%28matrix%283%2C1%2C634%2C-795%2C429%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=1%2Fx=634%2F133 ALIGN=MIDDLE  ALT=\"1%2Fx=634%2F133\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28+x=133%2F634%29 ALIGN=MIDDLE  ALT=\"highlight%28+x=133%2F634%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fy=-795%2F133 ALIGN=MIDDLE  ALT=\"1%2Fy=-795%2F133\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28+y=-133%2F795%29 ALIGN=MIDDLE  ALT=\"highlight%28+y=-133%2F795%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fz=429%2F133 ALIGN=MIDDLE  ALT=\"1%2Fz=429%2F133\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28+z=133%2F429%29 ALIGN=MIDDLE  ALT=\"highlight%28+z=133%2F429%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%5E2%2B8x%29%2F%28x%5E2%2Bx-5%29 ALIGN=MIDDLE  ALT=\"%28x%5E2%2B8x%29%2F%28x%5E2%2Bx-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Check your denominator.<BR>\n" );
document.write( "It does not factor simply.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );