document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969239>Question 969239</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sequence of the number x is 17, if the number of the second sequence is 3, what is the number of the first sequence.<BR>\n" );
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document.write( "X is the 17th number of the sequence.<BR>\n" );
document.write( "3 is the 3rd number of the sequence.<BR>\n" );
document.write( "Find <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;\" >.<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 #592182 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592182\">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%5Bn%5D=a%5B1%5D%2B%28n-1%29d ALIGN=MIDDLE  ALT=\"a%5Bn%5D=a%5B1%5D%2B%28n-1%29d\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B17%5D=a%5B1%5D%2B%2817-1%29d=X ALIGN=MIDDLE  ALT=\"a%5B17%5D=a%5B1%5D%2B%2817-1%29d=X\"   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%2B16d=X ALIGN=MIDDLE  ALT=\"a%5B1%5D%2B16d=X\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( ".\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B2%5D=a%5B1%5D%2Bd=3 ALIGN=MIDDLE  ALT=\"a%5B2%5D=a%5B1%5D%2Bd=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtracting this from the first equation,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2B16d-a%5B1%5D-d=X-3 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2B16d-a%5B1%5D-d=X-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15d=X-3 ALIGN=MIDDLE  ALT=\"15d=X-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=%28X-3%29%2F15 ALIGN=MIDDLE  ALT=\"d=%28X-3%29%2F15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B1%5D%2B%28X-3%29%2F15=3 ALIGN=MIDDLE  ALT=\"a%5B1%5D%2B%28X-3%29%2F15=3\"   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=3-%28X-3%29%2F15 ALIGN=MIDDLE  ALT=\"a%5B1%5D=3-%28X-3%29%2F15\"   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=45%2F15-%28X-3%29%2F15 ALIGN=MIDDLE  ALT=\"a%5B1%5D=45%2F15-%28X-3%29%2F15\"   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=%2845-X%2B3%29%2F15 ALIGN=MIDDLE  ALT=\"a%5B1%5D=%2845-X%2B3%29%2F15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a%5B1%5D=%2848-X%29%2F15%29 ALIGN=MIDDLE  ALT=\"highlight%28a%5B1%5D=%2848-X%29%2F15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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