document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=257426>Question 257426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The first three terms of an arithmetic sequence, in order, are 2x + 4, 5x – 4, and<BR>\n" );
document.write( "3x + 4. What is the sum of the first ten terms of the sequence? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189339 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=189339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x+4-(2x+4)=x subtract the 1st term from the 3rd term<BR>\n" );
document.write( "The difference between the 2nd and 1st term must be half of x or .5x<BR>\n" );
document.write( "2x+4+ .5x =5x-4<BR>\n" );
document.write( "2.5x=8<BR>\n" );
document.write( "x=3.2<BR>\n" );
document.write( "d=.5*3.2=1.6 difference between each number.<BR>\n" );
document.write( "Now we can find the 10th term.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5Bn%5D=dn%2B%28a%5B1%5D-d%29 ALIGN=MIDDLE  ALT=\"a%5Bn%5D=dn%2B%28a%5B1%5D-d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5B10%5D=%281.6%2A10%29%2B10.4-1.6 ALIGN=MIDDLE  ALT=\"a%5B10%5D=%281.6%2A10%29%2B10.4-1.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=24.8<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5Bn%5D=%28n%2F2%29%28a%5B1%5D%2Ba%5Bn%5D%29 ALIGN=MIDDLE  ALT=\"S%5Bn%5D=%28n%2F2%29%28a%5B1%5D%2Ba%5Bn%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > formula for the sum of a finite arithmetic sequence.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B10%5D=%2810%2F2%29%2810.4%2B24.8%29 ALIGN=MIDDLE  ALT=\"S%5B10%5D=%2810%2F2%29%2810.4%2B24.8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=176<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );