document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=269017>Question 269017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can u please help me solve this equation by subsitution or the elimination method: <BR>\n" );
document.write( "2x-3y=-21<BR>\n" );
document.write( "5x+6y=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197187 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=197187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-3y=-21 multiply by 2 & add. <BR>\n" );
document.write( "5x+6y=4<BR>\n" );
document.write( "4x-6y=-42<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "9x=-38<BR>\n" );
document.write( "x=-38/9 ans.<BR>\n" );
document.write( "2*-38/9-3y=-21<BR>\n" );
document.write( "-76/9-3y=-21<BR>\n" );
document.write( "-3y=-21+76/9<BR>\n" );
document.write( "-3y=-189/9+76/9<BR>\n" );
document.write( "-3y=-113/9<BR>\n" );
document.write( "y=(-113/9)/-3<BR>\n" );
document.write( "y=-113/9*1/-3<BR>\n" );
document.write( "y=-113/-27<BR>\n" );
document.write( "y=113/27 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "5*-38/9+6*113/27=4<BR>\n" );
document.write( "-190/9+678/27=4<BR>\n" );
document.write( "-570/27+678/27=4<BR>\n" );
document.write( "108/27=4<BR>\n" );
document.write( "4=4\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );