document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205363>Question 205363</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the correct way to write the soultion: 4x + 5y=10, 8x +10y=20 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155062 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=155062\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> because the 1st equation and the 2nd equation actually is the same (the 2nd equation is twice the 1st equation),<BR>\n" );
document.write( "let x = any real number k<BR>\n" );
document.write( "4x + 5y = 10<BR>\n" );
document.write( "4k + 5y = 10<BR>\n" );
document.write( "5y = 10 - 4k<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810-4k%29%2F5 ALIGN=MIDDLE  ALT=\"%2810-4k%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+-+%284%2F5%29k ALIGN=MIDDLE  ALT=\"2+-+%284%2F5%29k\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so, the solution is:<BR>\n" );
document.write( "x = k<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+-+%284%2F5%29k ALIGN=MIDDLE  ALT=\"2+-+%284%2F5%29k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which k is any real number </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );