document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=463762>Question 463762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The eighth term of an arithmetic sequence is 55 and the tenth term is 77. Find the third term. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318416 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=318416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B8%5D+=+a%5B3%5D+%2B+%288-3%29d+=+a%5B3%5D+%2B+5d+=+55 ALIGN=MIDDLE  ALT=\"a%5B8%5D+=+a%5B3%5D+%2B+%288-3%29d+=+a%5B3%5D+%2B+5d+=+55\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B10%5D+=+a%5B3%5D+%2B+%2810-3%29d+=+a%5B3%5D+%2B+7d+=+77 ALIGN=MIDDLE  ALT=\"a%5B10%5D+=+a%5B3%5D+%2B+%2810-3%29d+=+a%5B3%5D+%2B+7d+=+77\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtracting the top equation from the bottom equation, we get  2d = 22, or d = 11.<BR>\n" );
document.write( "Hence <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D+%2B+5%2A11+=+55 ALIGN=MIDDLE  ALT=\"a%5B3%5D+%2B+5%2A11+=+55\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B3%5D+=+0 ALIGN=MIDDLE  ALT=\"a%5B3%5D+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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