document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91042>Question 91042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> n+4/9=3<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66641 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=66641\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A couple of ways come to mind on this problem.<BR>\n" );
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document.write( "You are given:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2B4%2F9=3 ALIGN=MIDDLE  ALT=\"n%2B4%2F9=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "To solve for n, you might replace the 3 on the right side by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27%2F9 ALIGN=MIDDLE  ALT=\"27%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is equal to 3.<BR>\n" );
document.write( "Note that this fraction has the same denominator as the fraction on the left side.<BR>\n" );
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document.write( "Next you can get rid of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F9 ALIGN=MIDDLE  ALT=\"4%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the left side by subtracting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F9 ALIGN=MIDDLE  ALT=\"4%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > from both <BR>\n" );
document.write( "sides.  This subtraction results in:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+27%2F9+-+4%2F9 ALIGN=MIDDLE  ALT=\"n+=+27%2F9+-+4%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Because the fractions on the right side have the same denominator you can subtract their<BR>\n" );
document.write( "numerators and the equation reduces to:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+%2827-4%29%2F9+=+23%2F9 ALIGN=MIDDLE  ALT=\"n+=+%2827-4%29%2F9+=+23%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "So, you have the answer of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+23%2F9 ALIGN=MIDDLE  ALT=\"n+=+23%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Another way you could do the problem is to start with the original equation:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2B4%2F9=3 ALIGN=MIDDLE  ALT=\"n%2B4%2F9=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "and get rid of the denominator 9 by multiplying both sides (all terms) by 9. This multiplication<BR>\n" );
document.write( "results in:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9n+%2B+%289%2A4%29%2F9+=+9%2A3 ALIGN=MIDDLE  ALT=\"9n+%2B+%289%2A4%29%2F9+=+9%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "And this simplifies to:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9n+%2B+4+=+27 ALIGN=MIDDLE  ALT=\"9n+%2B+4+=+27\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Subtract 4 from both sides and you have:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9n+=+23 ALIGN=MIDDLE  ALT=\"9n+=+23\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "And finally, solve for n by dividing both sides by 9 (the multiplier of n) to get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+23%2F9 ALIGN=MIDDLE  ALT=\"n+=+23%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Which is the same answer as we got before.<BR>\n" );
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document.write( "You can check the answer by returning to the original equation you were given and substituting<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=23%2F9 ALIGN=MIDDLE  ALT=\"23%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" > for n to get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=23%2F9+%2B+4%2F9+=+3 ALIGN=MIDDLE  ALT=\"23%2F9+%2B+4%2F9+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "On the left side, there is a common denominator so the numerators can be added to get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2823%2B4%29%2F9+=+3 ALIGN=MIDDLE  ALT=\"%2823%2B4%29%2F9+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "After the numerators are added you have:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27%2F9+=+3 ALIGN=MIDDLE  ALT=\"27%2F9+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "And after the 27 is divided by the 9 on the left side you get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+3 ALIGN=MIDDLE  ALT=\"3+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Since this is true, the equation works when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+23%2F9 ALIGN=MIDDLE  ALT=\"n+=+23%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Therefore, the answer we <BR>\n" );
document.write( "got is correct.<BR>\n" );
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document.write( "Hope this helps you to understand the problem and several ways in which it can be worked.<BR>\n" );
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document.write( "And just in case you meant the problem to be:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28n+%2B+4%29%2F9+=+3 ALIGN=MIDDLE  ALT=\"%28n+%2B+4%29%2F9+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "(which is not the way you wrote it), you can work this problem by multiplying both sides<BR>\n" );
document.write( "by 9 (all terms) to make the equation become:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+%2B+4+=+27 ALIGN=MIDDLE  ALT=\"n+%2B+4+=+27\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Then subtract 4 from both sides and you get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+27+-+4+=+23 ALIGN=MIDDLE  ALT=\"n+=+27+-+4+=+23\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "In this case the answer for n is n = 23.<BR>\n" );
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