document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258731>Question 258731</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For every positive 2-digit number, x, with tens digit t and units digit u, let y be the 2-digit number formed by reversing the digits of x. Which of the following<BR>\n" );
document.write( "expressions is equivalent to x &#8722; y ?\r<BR>\n" );
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document.write( " a) 9(t &#8722; u)      b) 9(u &#8722; t)      c) 9t &#8722; u       d) 9u &#8722; t       e) 0\r<BR>\n" );
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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 #190577 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=190577\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x=10t%2Bu ALIGN=MIDDLE  ALT=\"+x=10t%2Bu\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y=10u%2Bt ALIGN=MIDDLE  ALT=\"+y=10u%2Bt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x-y=10t%2Bu-%2810u%2Bt%29 ALIGN=MIDDLE  ALT=\"+x-y=10t%2Bu-%2810u%2Bt%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x-y=9t-9u=9%28t-u%29 ALIGN=MIDDLE  ALT=\"+x-y=9t-9u=9%28t-u%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "a) is the correct answer<BR>\n" );
document.write( "Example:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=19%2C+t=1%2C+u=9 ALIGN=MIDDLE  ALT=\"x=19%2C+t=1%2C+u=9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=91 ALIGN=MIDDLE  ALT=\"y=91\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=19-91=-72 ALIGN=MIDDLE  ALT=\"x-y=19-91=-72\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%28t-u%29=9%281-9%29=9%28-8%29=-72 ALIGN=MIDDLE  ALT=\"9%28t-u%29=9%281-9%29=9%28-8%29=-72\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );