document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=564117>Question 564117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with substitution.\r<BR>\n" );
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document.write( "y=4x+5<BR>\n" );
document.write( "y=3x+4\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #365248 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=365248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=4x+5<BR>\n" );
document.write( "y=3x+4\r<BR>\n" );
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document.write( "Substitute y in the second equation\r<BR>\n" );
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document.write( "4x+5=y=3x+4\r<BR>\n" );
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document.write( "4x-3x=-1<BR>\n" );
document.write( "x=-1\r<BR>\n" );
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document.write( "when x=-1\r<BR>\n" );
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document.write( "y=1<BR>\n" );
document.write( " </SPAN>\n" );
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