document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942857>Question 942857</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The age of a man is the same as his wife's age with the digits reversed. If the sum of their ages is 99, and the man is 9 years older than his wife, how old is he? Using the four step problem solving process </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574822 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=574822\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = age of man<BR>\n" );
document.write( "y = age of wife tens digit<BR>\n" );
document.write( "z = age of wife ones digit<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 10z + y<BR>\n" );
document.write( "x + 10y + z = 99<BR>\n" );
document.write( "x = 10y + z + 9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x - y - 10z = 0<BR>\n" );
document.write( "x + 10y + z = 99<BR>\n" );
document.write( "x - 10y - z = 9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solution:<BR>\n" );
document.write( "x = age of man = 54<BR>\n" );
document.write( "y = 4<BR>\n" );
document.write( "z = 5<BR>\n" );
document.write( "age of wife = 45<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "---<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );