document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190061>Question 190061</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of the digits of a 2-digit number is 7. The tens digit is one less than 3 times the units digit. 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 #142624 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=142624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lets call our number ab....<BR>\n" );
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document.write( "a+b=7.........eq 1<BR>\n" );
document.write( "a=3b-1.......eq 2<BR>\n" );
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document.write( "take a's value from eq 2 and plug it into eq 1<BR>\n" );
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document.write( "3b-1+b=7<BR>\n" );
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document.write( "4b=8<BR>\n" );
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document.write( "b=2<BR>\n" );
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document.write( "a=3(2)-1=5<BR>\n" );
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document.write( "so our number is 52 </SPAN>\n" );
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