document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=223052>Question 223052</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve using subsititution method <BR>\n" );
document.write( "7x+5y=10<BR>\n" );
document.write( "x=31-4y<BR>\n" );
document.write( "*solution is ordered pair* </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166878 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=166878\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7x+5y=10<BR>\n" );
document.write( "x=31-4y<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "7(31-4y)+5y=10<BR>\n" );
document.write( "217-28y+5y=10<BR>\n" );
document.write( "-23y=-207<BR>\n" );
document.write( "y=9<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "x=31-4(9)<BR>\n" );
document.write( "x=31-36<BR>\n" );
document.write( "x=-5<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "(-5,9) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );