document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638904>Question 638904</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i solve with substitution?\r<BR>\n" );
document.write( "\n" );
document.write( "2x+3y=7<BR>\n" );
document.write( "4x+3y=13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402457 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x + 3y = 7 ---> 3y = 7 - 2x<BR>\n" );
document.write( "4x + 3y = 13 ---> 4x + (7 - 2x) = 13<BR>\n" );
document.write( "2x + 7 = 13<BR>\n" );
document.write( "x = 3<BR>\n" );
document.write( "3y = 7 - 2(3)<BR>\n" );
document.write( "y = 1/3<BR>\n" );
document.write( "Answer: x = 3 and y = 1/3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );