document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99919>Question 99919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system.<BR>\n" );
document.write( "x + 2y = 10<BR>\n" );
document.write( "     y = 2x<BR>\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 #72727 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=72727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=2x now substitute (2x) for y in the other equation & solve for x:<BR>\n" );
document.write( "x+2(2x)=10<BR>\n" );
document.write( "x+4x=10<BR>\n" );
document.write( "5x=10<BR>\n" );
document.write( "x=10/5<BR>\n" );
document.write( "x=2 answer. now replace x by 2 & solve for y:<BR>\n" );
document.write( "y=2*2<BR>\n" );
document.write( "y=4 answer.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "2+2*4=10<BR>\n" );
document.write( "2+8=10<BR>\n" );
document.write( "10=10 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );