document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389662>Question 389662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of x so that the mean of {5x, 3/2x, x+9, -x} is -1\r<BR>\n" );
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document.write( "A. 2<BR>\n" );
document.write( "B. 1/2<BR>\n" );
document.write( "C. -1/2<BR>\n" );
document.write( "D. -2\r<BR>\n" );
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document.write( "Thank you so much!!!!!!!!!<BR>\n" );
document.write( "God Bless and Happy New Year!!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #276178 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=276178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: To find the mean of a set of numbers, you simply add them up and divide by the number of numbers (in this case 4). \r<BR>\n" );
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document.write( "So this means that you just have to add up 5x, 3/2x, x+9, and -x and divide that sum by 4. Because you're forcing the mean to be -1, the entire expression will equal -1.\r<BR>\n" );
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document.write( "So in essence, you just need to solve the equation <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285x%2B%283%2F2%29x%2Bx%2B9%2B%28-x%29%29%2F4=-1 ALIGN=MIDDLE  ALT=\"%285x%2B%283%2F2%29x%2Bx%2B9%2B%28-x%29%29%2F4=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Jim </SPAN>\n" );
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