document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011903>Question 1011903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help to solve a problem and i didn't know at what section to put it so i put it here .\r<BR>\n" );
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document.write( "In an arithmetic progression , a4=7 and a9=22<BR>\n" );
document.write( "Find a14 \r<BR>\n" );
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document.write( "Plase help me . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627713 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=627713\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In an arithmetic progression , a4=7 and a9=22<BR>\n" );
document.write( "a(1) + 3d = 7<BR>\n" );
document.write( "a(1) + 8d = 22<BR>\n" );
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document.write( "Subtract and solve for \"d\"::<BR>\n" );
document.write( "5d = 15<BR>\n" );
document.write( "d = 3<BR>\n" );
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document.write( "Solve for \"a(1)\"::<BR>\n" );
document.write( "a(1) + 3*3 = 7<BR>\n" );
document.write( "a(1) = -2<BR>\n" );
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document.write( "Find a14  = a(1) = 13*d<BR>\n" );
document.write( "a(14) = -2 + 13*3<BR>\n" );
document.write( "a(14) = 37<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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