document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=799290>Question 799290</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What value of x makes the mean of the first three numbers in the list equal to the mean of the last four numbers?\r<BR>\n" );
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document.write( "15   5   x    7   9   17 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #482582 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=482582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What value of x makes the mean of the first three numbers in the list equal to the mean of the last four numbers?<BR>\n" );
document.write( "15 5 x 7 9 17<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820+%2B+x%29%2F3 ALIGN=MIDDLE  ALT=\"%2820+%2B+x%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+%2B+33%29%2F4 ALIGN=MIDDLE  ALT=\"%28x+%2B+33%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "4(20+x) = 3(x+33)<BR>\n" );
document.write( "80 + 4x = 3x + 99<BR>\n" );
document.write( "4x - 3x = 99 - 80<BR>\n" );
document.write( "x = 19<BR>\n" );
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document.write( "You can confirm this for yourself </SPAN>\n" );
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