document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=413343>Question 413343</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i use the substitution method for \r<BR>\n" );
document.write( "\n" );
document.write( "-3x+y=4\r<BR>\n" );
document.write( "\n" );
document.write( "x+13y=22 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #290098 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=290098\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do i use the substitution method for \r<BR>\n" );
document.write( "\n" );
document.write( "-3x + y = 4------->y = 3x + 4 {added 3x to both sides}\r<BR>\n" );
document.write( "\n" );
document.write( "x + 13y = 22\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x + 13(3x + 4) = 22 {substituted 3x + 4, in for y, into bottom equation}<BR>\n" );
document.write( "x + 39x + 52 = 22 {used distributive property}<BR>\n" );
document.write( "40x + 52 = 22 {combined like terms}<BR>\n" );
document.write( "40x = -30 {subtracted 52 from both sides}<BR>\n" );
document.write( "x = -3/4 {divided both sides by 40}\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "y = 3x + 4<BR>\n" );
document.write( "y = 3(-3/4) + 4 {substituted -3/4, in for x, into y = 3x + 4}<BR>\n" );
document.write( "y = -9/4 + 4 {multiplied 3 by -3/4}<BR>\n" );
document.write( "y = -9/4 + 16/4 {got common denominator}<BR>\n" );
document.write( "y = 7/4 {combined like terms}<BR>\n" );
document.write( "y = 1  3/4 {wrote as a mixed number}\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x = -3/4 and y = 1 3/4<BR>\n" );
document.write( "<a  rel=nofollow HREF= \"http://www.algebrahouse.com/\" target = \"_blank\">www.algebrahouse.com</a> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );