document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82565>Question 82565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Solve the inequality 21/ 15 - 3x < 0, and express the solution as an interval.\r<BR>\n" );
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document.write( "I got the answer ( 5, 00 )<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59210 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=59210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 21 / (15 - 3x)<BR>\n" );
document.write( "We can start here: 15 - 3x can not equal zero<BR>\n" );
document.write( "15 - 3x = 0<BR>\n" );
document.write( "15 = 3x<BR>\n" );
document.write( "5 = x<BR>\n" );
document.write( "Ok, when 15 - 3x is positive, 21 divided by a positive number is .... positive.<BR>\n" );
document.write( "When 15 - 3x is negative, 21 divided by a negative number is negative.<BR>\n" );
document.write( "Since 21 / (15 - 3x) < 0 .... we need 15 - 3x to be negative or ~> 15 - 3x < 0<BR>\n" );
document.write( "15 - 3x < 0<BR>\n" );
document.write( "15 < 3x<BR>\n" );
document.write( "5 < x<BR>\n" );
document.write( "(5,+<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=infinity ALIGN=MIDDLE  ALT=\"infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-2%2C8%2C-5%2C5%2C21%2F%2815+-+3x%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-2%2C8%2C-5%2C5%2C21%2F%2815+-+3x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );