document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=302088>Question 302088</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each system using the substitution method\r<BR>\n" );
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document.write( "x-2y=7<BR>\n" );
document.write( "3x-21=6y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #216689 by </B><A HREF=/tutors/aboutme.mpl?userid=london+maths+tutor><B>london maths tutor(243)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=london+maths+tutor><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=london+maths+tutor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=216689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "x-2y=7<BR>\n" );
document.write( "3x-21=6y\r<BR>\n" );
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document.write( "if x = 13 and y = 3\r<BR>\n" );
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document.write( "Equation 1: x - 2y = 7 \r<BR>\n" );
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document.write( "(13) - 2(3) = 7 , hence shown\r<BR>\n" );
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document.write( "Equation 2: 3x - 21 = 6y \r<BR>\n" );
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document.write( "3x - 6y = 21<BR>\n" );
document.write( "3(13) - 6(3) = 21 , hence shown \r<BR>\n" );
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document.write( "Therefore, answer: x = 13 and y = 3  </SPAN>\n" );
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