document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=601895>Question 601895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve to find x. 2x+y=3 and -7x+2y=17. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #380050 by </B><A HREF=/tutors/aboutme.mpl?userid=lawdej><B>lawdej(58)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lawdej><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=lawdej><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=380050\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">   2x+y=3 <BR>\n" );
document.write( " -7x+2y=17.<BR>\n" );
document.write( "to solve this multiply 2x+y=3  by -2 to cancel y<BR>\n" );
document.write( "so here is the result<BR>\n" );
document.write( " -4x-2y=-6 <BR>\n" );
document.write( " -7x+2y=17<BR>\n" );
document.write( "now add both of them the result is <BR>\n" );
document.write( "  -11x=11<BR>\n" );
document.write( "    x=-11/11<BR>\n" );
document.write( "    x=-1 so this is the value of x.<BR>\n" );
document.write( "but if you need to find the value of y substitute x=-1 to either of 2x+y=3 or -7x+2y=17<BR>\n" );
document.write( " for example take 2x+y=3 <BR>\n" );
document.write( "          2(-1)+y=3<BR>\n" );
document.write( "            -2+y=3<BR>\n" );
document.write( "               y=3+2=5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );