document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=63654>Question 63654</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me solve using the substitution method?\r<BR>\n" );
document.write( "\n" );
document.write( "x + 7y = 16<BR>\n" );
document.write( "-3x + 6y = 33 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44388 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=44388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+7Y=16 THEN<BR>\n" );
document.write( "X=16-7Y NOW SUBSTITUTE (16-7Y) FOR X IN THE OTHER EQUATION THUS<BR>\n" );
document.write( "-3(16-7Y)+6Y=33<BR>\n" );
document.write( "-48+21+6Y=33<BR>\n" );
document.write( "6Y=33+48-21<BR>\n" );
document.write( "6Y=60<BR>\n" );
document.write( "Y=60/6<BR>\n" );
document.write( "Y=10 SOLUTION<BR>\n" );
document.write( "X=16-7*10<BR>\n" );
document.write( "X=16-70<BR>\n" );
document.write( "X=-54<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "-54+7*10=16<BR>\n" );
document.write( "-54+70=16<BR>\n" );
document.write( "16=16\r<BR>\n" );
document.write( "\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );