document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118600>Question 118600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find a 2 digit number whose tens digit is 3 less than the units digit.  The <BR>\n" );
document.write( "orginal number is 6 more than 4 times the sum of the digit </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86766 by </B><A HREF=/tutors/aboutme.mpl?userid=wgunther><B>wgunther(43)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wgunther><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=86766\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> So, let a be the tens digit, and b be the unit digit.\r<BR>\n" );
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document.write( "a+3=b<BR>\n" );
document.write( "10a+b=6+4(a+b)\r<BR>\n" );
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document.write( "So, putting this in a workable form\r<BR>\n" );
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document.write( "a-b=-3<BR>\n" );
document.write( "6a-3b=6\r<BR>\n" );
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document.write( " <TR><TD  ALIGN=MIDDLE>Solved by <A  rel=nofollow HREF=http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers>pluggable</A> solver: <A  rel=nofollow HREF=linear.solver>Linear System solver (using determinant)</A></TD></TR>\n" );
document.write( "<TR><TD  ALIGN=LEFT>Solve:<BR>\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system%28+%0D%0A++++1%5Ca+%2B+-1%5Cb+=+-3%2C%0D%0A++++6%5Ca+%2B+-3%5Cb+=+6+%29%0D%0A++ ALIGN=MIDDLE  ALT=\"+system%28+%0D%0A++++1%5Ca+%2B+-1%5Cb+=+-3%2C%0D%0A++++6%5Ca+%2B+-3%5Cb+=+6+%29%0D%0A++\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  <BR>\n" );
document.write( "  Any system of equations:<BR>\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system%28+%0D%0A++++a%5B11%5D%2Aa+%2B+a%5B12%5D%2Ab+=+b%5B1%5D%2C%0D%0A++++a%5B21%5D%2Aa+%2B+a%5B22%5D%2Ab+=+b%5B2%5D%29%0D%0A++ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  <BR>\n" );
document.write( "  has solution<BR>\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system%28+%0D%0A++++a+=+%28b%5B1%5D%2Aa%5B22%5D+-+b%5B2%5D%2Aa%5B12%5D%29%2F%28a%5B11%5D%2Aa%5B22%5D-a%5B21%5D%2Aa%5B12%5D%29%2C%0D%0A++++b+=+%28a%5B11%5D%2Ab%5B2%5D+-+a%5B21%5D%2Ab%5B1%5D%29%2F%28a%5B11%5D%2Aa%5B22%5D-a%5B21%5D%2Aa%5B12%5D%29%0D%0A++++%29%0D%0A++ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  or<BR>\n" );
document.write( "  <BR>\n" );
document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+system%28+%0D%0A++++++a+=+%28-3%2A-3+-+6%2A-1%29%2F%281%2A-3-6%2A-1%29+=+5%2C%0D%0A++++++b+=+%281%2A6+-+6%2A-3%29%2F%281%2A-3-6%2A-1%29+=+8%0D%0A++++%29%0D%0A++ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  <BR>\n" );
document.write( "  (a=5, b=8}<BR>\n" );
document.write( "  </TD></TR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );