document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=860356>Question 860356</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this question.A certain between 10 and 100 is 8 times the sum of its digits, and if 45 is subtracted from it the digit will be reversed.find the number </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #518347 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=518347\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let the number be xy\r<BR>\n" );
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document.write( "value of number = 10x+y\r<BR>\n" );
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document.write( "10x+y = 8(x+y)\r<BR>\n" );
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document.write( "10x+y =8x+8y<BR>\n" );
document.write( "2x-7y=0....................(1)\r<BR>\n" );
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document.write( "10x+y-45 = 10y+x\r<BR>\n" );
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document.write( "9x-9y=45\r<BR>\n" );
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document.write( "x-y = 5.................(2)\r<BR>\n" );
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document.write( "multiply by -2<BR>\n" );
document.write( "-2x+2y=-10<BR>\n" );
document.write( "add to (1)\r<BR>\n" );
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document.write( "-5y=-10<BR>\n" );
document.write( "y=2\r<BR>\n" );
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document.write( "x-y =5\r<BR>\n" );
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document.write( "x=7\r<BR>\n" );
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document.write( "Number = 72 </SPAN>\n" );
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