document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=462753>Question 462753</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John is 13 years old. He is 3 years older than twice his sister Mary's age. How old is john? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317175 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"John is 13 years old. He is 3 years older than twice his sister Mary's age. How old is john?\"\r<BR>\n" );
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document.write( "John is 13.....it's in the first sentence.\r<BR>\n" );
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document.write( "x = Mary's age<BR>\n" );
document.write( "2x + 3 = John's age\r<BR>\n" );
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document.write( "2x + 3 = 13 {John's age is 13, he is 3 yrs older than twice Mary's age}<BR>\n" );
document.write( "2x = 10 {subtracted 3 from both sides}<BR>\n" );
document.write( "x = 5 {divided both sides by 2}\r<BR>\n" );
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document.write( "John is 13 and Mary is 5<BR>\n" );
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