document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171111>Question 171111</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078277884/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Mary's sister is 7 years older than mary. Their combined ages is 35. How old is Mary? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126345 by </B><A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><B>KnightOwlTutor(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><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=KnightOwlTutor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=126345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mary's age=x\r<BR>\n" );
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document.write( "Mary's sister=x+7\r<BR>\n" );
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document.write( "x+x+7=35\r<BR>\n" );
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document.write( "Simplify\r<BR>\n" );
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document.write( "2x+7=35\r<BR>\n" );
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document.write( "Subtract 7 from both sides\r<BR>\n" );
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document.write( "2x=28\r<BR>\n" );
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document.write( "Divide both sides by 2\r<BR>\n" );
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document.write( "x=14\r<BR>\n" );
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document.write( "Therefore Mary is 14<BR>\n" );
document.write( " Let's doublecheck our answer<BR>\n" );
document.write( "14+7=21\r<BR>\n" );
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document.write( "21+14=35 </SPAN>\n" );
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