document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=267296>Question 267296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> SOLVE BY ELIMINATION<BR>\n" );
document.write( "-2x+5y=20<BR>\n" );
document.write( "3x-7y=-26 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196237 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=196237\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -2x+5y=20 multiply by 3<BR>\n" );
document.write( "3x-7y=-26 multiply by 2 & add.<BR>\n" );
document.write( "-6x+15y=60<BR>\n" );
document.write( "6x-14y=-52<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "y=8 ans.<BR>\n" );
document.write( "-2x+5*8=20<BR>\n" );
document.write( "-2x+40=20<BR>\n" );
document.write( "-2x=20-40<BR>\n" );
document.write( "-2x=-20<BR>\n" );
document.write( "x=-20/-2<BR>\n" );
document.write( "x=10 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "3*10-7*8=-26<BR>\n" );
document.write( "30-56=-26<BR>\n" );
document.write( "-26=-26 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );