document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=229903>Question 229903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a two-digit number is 9. If the number is doubled, then decreased by 36, the answer is the original number with the digits reversed. Find the number.\r<BR>\n" );
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document.write( "Thanks for helping!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #170346 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=170346\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the two digit = 10x + y<BR>\n" );
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document.write( "Write an equation for each statement<BR>\n" );
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document.write( "\"The sum of the digits of a two-digit number is 9.\"<BR>\n" );
document.write( "x + y = 9<BR>\n" );
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document.write( "y = (9-x); use this for substitution<BR>\n" );
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document.write( "\" If the number is doubled, then decreased by 36, the answer is the original number with the digits reversed.\"<BR>\n" );
document.write( "2(10x+y) - 36 = 10y + x<BR>\n" );
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document.write( "20x = 2y - 36 = 10y + x<BR>\n" );
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document.write( "20x - x = 10y - 2y + 36<BR>\n" );
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document.write( "19x = 8y + 36<BR>\n" );
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document.write( " Find the number. <BR>\n" );
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document.write( "Replace y with (9-x) in the above equation, find x:<BR>\n" );
document.write( "19x = 8(9-x) + 36<BR>\n" );
document.write( "19x = 72 - 8x + 36<BR>\n" );
document.write( "19x + 8x = 72 + 36<BR>\n" );
document.write( "27x = 108<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%2F27 ALIGN=MIDDLE  ALT=\"108%2F27\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 4:<BR>\n" );
document.write( "I'll let you find y, check solution in the given statement<BR>\n" );
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