document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=100660>Question 100660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write and solve an equation to find the value of x.\r<BR>\n" );
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document.write( "4.8 , 1.6 , 5.2, x ; mean 3.7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73256 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=73256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean is the sum of the values divided by the count of the number of values. The sum of the values is 4.8 + 1.6 + 5.2 + x.  The number of values equals 4. Thus we know that\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+%2B+11.6%29%2F4+=+3.7 ALIGN=MIDDLE  ALT=\"%28x+%2B+11.6%29%2F4+=+3.7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiplying by 4, we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+13.6+=+14.8 ALIGN=MIDDLE  ALT=\"x+%2B+13.6+=+14.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtracting 13.6 from both sides, we have the answer\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1.2 ALIGN=MIDDLE  ALT=\"x+=+1.2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We now check our answer by substituting the value of x into the original equation and solve it, to make sure the mean is 3.7.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.8+%2B+3.6+%2B+5.2+%2B+1.2+=+14.8 ALIGN=MIDDLE  ALT=\"4.8+%2B+3.6+%2B+5.2+%2B+1.2+=+14.8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14.8%2F4+=+3.7 ALIGN=MIDDLE  ALT=\"14.8%2F4+=+3.7\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Check. </SPAN>\n" );
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