document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083084>Question 1083084</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of the first twelve terms of an arithmetic sequence is 1188. if the sixth term is 89, find the first term, the common difference and the fifteenth term </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697091 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=697091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d, common difference<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D ALIGN=MIDDLE  ALT=\"a%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, first term of sequence\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812%2F2%29%28a%5B1%5D%2B%2812-1%29d%29=1188 ALIGN=MIDDLE  ALT=\"%2812%2F2%29%28a%5B1%5D%2B%2812-1%29d%29=1188\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%28a%5B1%5D%2B11d%29=1188 ALIGN=MIDDLE  ALT=\"6%28a%5B1%5D%2B11d%29=1188\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2B11d=198 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2B11d=198\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B6%5D=a%5B1%5D%2B%286-1%29d=89 ALIGN=MIDDLE  ALT=\"a%5B6%5D=a%5B1%5D%2B%286-1%29d=89\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2B5d=89 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2B5d=89\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "System of equations in the unknown variables <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D ALIGN=MIDDLE  ALT=\"a%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > and d:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28a%5B1%5D%2B11d=198%2Ca%5B1%5D%2B5d=89%29 ALIGN=MIDDLE  ALT=\"system%28a%5B1%5D%2B11d=198%2Ca%5B1%5D%2B5d=89%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve the system for the unknown variables. </SPAN>\n" );
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