document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29226>Question 29226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use substitution to solve the system.\r<BR>\n" );
document.write( "\n" );
document.write( "y=x-3<BR>\n" );
document.write( "4x+y=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16040 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=16040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For y=x-3 and 4x+y=1, you would substitute the answer for y in the second equation.<BR>\n" );
document.write( "4x+y=1--original equation<BR>\n" );
document.write( "4x+x-3=1--substitute y in for x<BR>\n" );
document.write( "5x=4--simplify<BR>\n" );
document.write( "x=4/5--divide whole equation by 5<BR>\n" );
document.write( "Now, we have to find what y equals.<BR>\n" );
document.write( "y=x-3--original equation<BR>\n" );
document.write( "y=4/5-3--substitute x in for y<BR>\n" );
document.write( "y=-11/5--simplify </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );