document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334462>Question 334462</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x+7y=8<BR>\n" );
document.write( "5x-3y=21 <BR>\n" );
document.write( "por los tres metodos please </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239640 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=239640\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x+7y=8..........1<BR>\n" );
document.write( "5x-3y=21 ........2\r<BR>\n" );
document.write( "\n" );
document.write( "..<BR>\n" );
document.write( "multiply equation 1 by -5 and equation 2 by 2 and add them<BR>\n" );
document.write( "-10x-35y+10x-6y=-40+42<BR>\n" );
document.write( "-41y=+2<BR>\n" );
document.write( "y=-2/41<BR>\n" );
document.write( "..<BR>\n" );
document.write( "plug value of x in equation 1<BR>\n" );
document.write( "2x +7(-2/41)= 8<BR>\n" );
document.write( "2x= 8+(14/41)<BR>\n" );
document.write( "2x=328+14/41<BR>\n" );
document.write( "divide by 2<BR>\n" );
document.write( "y= 342/ 41*2<BR>\n" );
document.write( "y=171/7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );