document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=941173>Question 941173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using any method <BR>\n" );
document.write( "8x+9y=-21<BR>\n" );
document.write( "-8x+y=51<BR>\n" );
document.write( "the solution set is?????\r<BR>\n" );
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document.write( "PLEASE HELP </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #573705 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=573705\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A simple way is to add the two equations:\r<BR>\n" );
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document.write( "10y = 30<BR>\n" );
document.write( "y = 3\r<BR>\n" );
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document.write( "Substitute into either equation to get x = -6.\r<BR>\n" );
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document.write( "Solution set: {(-6,3)} </SPAN>\n" );
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