document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=309124>Question 309124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this? I am lost as to how to determine the a(1) before I solve. Thank you in advance.<BR>\n" );
document.write( "Find the sum of the arithmetic sequence having the data given.<BR>\n" );
document.write( "a(n)=5, d=-2, n=12\r<BR>\n" );
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document.write( "Tina\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221040 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=221040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's what you know,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2812%29=5 ALIGN=MIDDLE  ALT=\"a%2812%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=-2 ALIGN=MIDDLE  ALT=\"d=-2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Here's the general equation. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%28n%29=a1%2B%28n-1%29%2Ad ALIGN=MIDDLE  ALT=\"a%28n%29=a1%2B%28n-1%29%2Ad\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Plug in what you know,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2812%29=a1%2B%2812-1%29%2A%28-2%29=5 ALIGN=MIDDLE  ALT=\"a%2812%29=a1%2B%2812-1%29%2A%28-2%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a1 ALIGN=MIDDLE  ALT=\"a1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a1%2B11%28-2%29=5 ALIGN=MIDDLE  ALT=\"a1%2B11%28-2%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a1-22=5 ALIGN=MIDDLE  ALT=\"a1-22=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a1=27 ALIGN=MIDDLE  ALT=\"a1=27\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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