document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=359908>Question 359908</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please can you help me to solve this equation step by step.<BR>\n" );
document.write( "S=n/2(A+t)  for A </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256806 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=256806\">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=S=%28n%2F2%29%28A%2Bt%29 ALIGN=MIDDLE  ALT=\"S=%28n%2F2%29%28A%2Bt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2S=n%28A%2Bt%29 ALIGN=MIDDLE  ALT=\"2S=n%28A%2Bt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 2.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2S=nA%2Bnt ALIGN=MIDDLE  ALT=\"2S=nA%2Bnt\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2S-nt=nA ALIGN=MIDDLE  ALT=\"2S-nt=nA\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract nt from both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282S-nt%29%2Fn=A ALIGN=MIDDLE  ALT=\"%282S-nt%29%2Fn=A\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 'n' to isolate 'A'.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%282S-nt%29%2Fn ALIGN=MIDDLE  ALT=\"A=%282S-nt%29%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rearrange the equation.\r<BR>\n" );
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document.write( "So the solution is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%282S-nt%29%2Fn ALIGN=MIDDLE  ALT=\"A=%282S-nt%29%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
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