document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=403159>Question 403159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> equation using substitution method<BR>\n" );
document.write( "y=2/3x-1<BR>\n" );
document.write( "2x+3y=21   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285109 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=285109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> equation using substitution method<BR>\n" );
document.write( "y = 2/3x - 1<BR>\n" );
document.write( "2x + 3y = 21\r<BR>\n" );
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document.write( "2x + 3(2/3x - 1) = 21 {substituted 2/3x - 1 in for y into bottom equation}<BR>\n" );
document.write( "2x + 2x - 3 = 21 {used distributive property}<BR>\n" );
document.write( "4x - 3 = 21 {combined like terms}<BR>\n" );
document.write( "4x = 24 {added 3 to both sides}<BR>\n" );
document.write( "x = 6 {divided both sides by 4}\r<BR>\n" );
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document.write( "y = 2/3x - 1<BR>\n" );
document.write( "y = 2/3(6) - 1 {substituted 6 in for x into top original equation}<BR>\n" );
document.write( "y = 4 - 1 {multiplied 2/3 by 6}<BR>\n" );
document.write( "y = 3 {combined like terms}\r<BR>\n" );
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document.write( "http://www.algebrahouse.com  </SPAN>\n" );
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