document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=665169>Question 665169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6u+3v=-15<BR>\n" );
document.write( "8u-5v=7 <BR>\n" );
document.write( "Solve system of equation by using substitution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413705 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=413705\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6u+3v=-15 divide by 3 --> 2u + v = -5<BR>\n" );
document.write( "8u-5v=7 <BR>\n" );
document.write( "Solve system of equation by using substitution<BR>\n" );
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document.write( "2u + v = -5 --> v = -2u - 5<BR>\n" );
document.write( "8u - 5v = 7<BR>\n" );
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document.write( "Sub for v in the 2nd equation<BR>\n" );
document.write( "8u - 5*(-2u-5) = 7<BR>\n" );
document.write( "Can you finish it?\r<BR>\n" );
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document.write( " </SPAN>\n" );
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