document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=803708>Question 803708</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the elimination method to solve the system of equations.\r<BR>\n" );
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document.write( "a + 9b = 12<BR>\n" );
document.write( "a + 2b = -2\r<BR>\n" );
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document.write( "Select the correct choice below and, if necessary, fill in the answer box to complete your choice.\r<BR>\n" );
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document.write( "A. There is one solution, it is ____<BR>\n" );
document.write( "B. There are infinitely many solutions.<BR>\n" );
document.write( "c. There is no solution<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #484461 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=484461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "1 a + 9 b = 12 .............1 <BR>\n" );
document.write( " Total value <BR>\n" );
document.write( " 1 a + 2 b = -2 .............2 <BR>\n" );
document.write( " Eliminate a <BR>\n" );
document.write( " (1)-(2) <BR>\n" );
document.write( " 9b-2b=12-(-2) <BR>\n" );
document.write( " 7b=14 <BR>\n" );
document.write( " /7<BR>\n" );
document.write( " b=2 <BR>\n" );
document.write( " plug b in (2) <BR>\n" );
document.write( " a+2b=-2<BR>\n" );
document.write( " a+2*2=-2<BR>\n" );
document.write( " a+4=-2<BR>\n" );
document.write( " a=-6 <BR>\n" );
document.write( " It has only one solution (-6,2)\r<BR>\n" );
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document.write( "   </SPAN>\n" );
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