document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36480>Question 36480</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0071435336/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Jon is 6 years older than his wife Liz. In 4 years, twice his age plus 1 will be 3 times Liz's age 3 years ago. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22398 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=22398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = Liz's present age<BR>\n" );
document.write( "x+ 6 = Jon's present age\r<BR>\n" );
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document.write( "In 4 years Liz will be x + 4, and John will be x+ 10.  <BR>\n" );
document.write( "Three years ago, Liz was x - 3\r<BR>\n" );
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document.write( "The second sentence is the equation:\r<BR>\n" );
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document.write( "In 4 years, twice Jon's age plus 1 will be 3 times Liz's age 3 years ago.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%28x%2B10%29+%2B1+=+3%28x-3%29+ ALIGN=MIDDLE  ALT=\"+2+%28x%2B10%29+%2B1+=+3%28x-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+%2B+20+%2B+1+=+3x+-+9+ ALIGN=MIDDLE  ALT=\"2x+%2B+20+%2B+1+=+3x+-+9+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+%2B+21+=+3x+-+9 ALIGN=MIDDLE  ALT=\"2x+%2B+21+=+3x+-+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Subtract 2x from each side and add +9 to each side:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-2x+%2B+21+=+3x+-2x+-+9 ALIGN=MIDDLE  ALT=\"2x-2x+%2B+21+=+3x+-2x+-+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21+=+x+-+9 ALIGN=MIDDLE  ALT=\"21+=+x+-+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21+%2B+9+=+x+-9%2B9+ ALIGN=MIDDLE  ALT=\"21+%2B+9+=+x+-9%2B9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+30+=+x ALIGN=MIDDLE  ALT=\"+30+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Liz is 30.\r<BR>\n" );
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document.write( "Jon is 34.  \r<BR>\n" );
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document.write( "In 6 years Jon will be 40, and twice his age +1 will be 2*40+1 = 81.\r<BR>\n" );
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document.write( "Three years ago, Liz was 27, so three times her age three years ago is also 81.  \r<BR>\n" );
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document.write( "It checks!!\r<BR>\n" );
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document.write( "R^2 at SCC\r<BR>\n" );
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document.write( " </SPAN>\n" );
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