document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143097>Question 143097</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the question is: <BR>\n" );
document.write( "solve this system.\r<BR>\n" );
document.write( "\n" );
document.write( " x-y=5<BR>\n" );
document.write( " x2+y2=25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104137 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=104137\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-y=5<BR>\n" );
document.write( "x2+y2=25\r<BR>\n" );
document.write( "\n" );
document.write( "from the first eq we have: y=x-5<BR>\n" );
document.write( "using 2nd eq x^2+(x-5)^2=25\r<BR>\n" );
document.write( "\n" );
document.write( "2x^2-10x+25=25<BR>\n" );
document.write( "2x^2-10x=0<BR>\n" );
document.write( "2x(x-5)=0<BR>\n" );
document.write( "x=0 or x=5<BR>\n" );
document.write( "y=-5 or y=0\r<BR>\n" );
document.write( "\n" );
document.write( "Solutions are: (0,-5) and (5,0) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );