document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1064806>Question 1064806</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The seat in a small concert hall are divided into sections A and B. Section A tickets are $18, while Section B tickets are $12. If 138 tickets are sold for a total of $1986, how many seats in each section were sold?\r<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 #679888 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=679888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tickets are $18, while Section B tickets are $12. If 138 tickets are sold for a total of $1986<BR>\n" );
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document.write( "A+B = 138, subtract B from both sides:<BR>\n" );
document.write( "A = 138-B<BR>\n" );
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document.write( "18A+12B = 1986 substitute for A:<BR>\n" );
document.write( "18(138-B)+12B = 1986<BR>\n" );
document.write( "2484-18B+12B = 1986<BR>\n" );
document.write( "-6B = -498 divide both sides by -6, and remember -/- = +<BR>\n" );
document.write( "B = 83<BR>\n" );
document.write( "A = 138-83 = 55<BR>\n" );
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document.write( "happy learning,<BR>\n" );
document.write( "John </SPAN>\n" );
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