document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465005>Question 465005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you show me step-by-step how i would solve this system of equation<BR>\n" );
document.write( "2x-6y=7<BR>\n" );
document.write( "3x-9y=10\r<BR>\n" );
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document.write( "This is how I did it:\r<BR>\n" );
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document.write( "2x=-6y+7<BR>\n" );
document.write( "3x-9y=10<BR>\n" );
document.write( "3(6y+7)-9y=10<BR>\n" );
document.write( "18y+21-9y=10  <BR>\n" );
document.write( "9y+21=10<BR>\n" );
document.write( "9y=31\r<BR>\n" );
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document.write( "Is this correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318553 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=318553\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-6y=7<BR>\n" );
document.write( "3x-9y=10<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "6x-18y=21<BR>\n" );
document.write( "6x-18y=20<BR>\n" );
document.write( "21=20<BR>\n" );
document.write( "The way these equations are set up, they are mutually incompatible and unsoluble.  They give two different answers for the same equation..<BR>\n" );
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document.write( "The way you did it:<BR>\n" );
document.write( "2x-6y=7<BR>\n" );
document.write( "2x=7+6y<BR>\n" );
document.write( "x=7+6y/2<BR>\n" );
document.write( "3(7+6y/2)-9y=10<BR>\n" );
document.write( "(21+18y/2)-9y=10<BR>\n" );
document.write( "21+18y-18y=20<BR>\n" );
document.write( "21=20<BR>\n" );
document.write( "Same answer.. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );