document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141018>Question 141018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve:<BR>\n" );
document.write( "(2x - y = 10<BR>\n" );
document.write( "(x + 3y = -9 (Use substitution.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102654 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=102654\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-y=10 multiply this equation by 3 & add them.<BR>\n" );
document.write( "6x-3y=30<BR>\n" );
document.write( "x+3y=-9 <BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "7x=21<BR>\n" );
document.write( "x=21/7<BR>\n" );
document.write( "x=3 answer.<BR>\n" );
document.write( "2*3-y=10<BR>\n" );
document.write( "6-y=10<BR>\n" );
document.write( "-y=10-6<BR>\n" );
document.write( "-y=4<BR>\n" );
document.write( "y=-4 answer.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "3+3*-4=-9<BR>\n" );
document.write( "3-12=9<BR>\n" );
document.write( "-9=-9 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );