document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007186>Question 1007186</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If twice the present age of Pedro is decreased from Petra's age 5 years ago, the result is 4. Nine times Pedro's age 3 years ago exceeds 4 times Petra's present age by 4. What were their ages last year? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623159 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=623159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Translate the description and find their present age each.  After that, answer the question.\r<BR>\n" );
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document.write( "x, Pedro now<BR>\n" );
document.write( "y, Petra now\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28-2x%2B%28y-5%29=4%2C9%28x-3%29-4y=4%29 ALIGN=MIDDLE  ALT=\"system%28-2x%2B%28y-5%29=4%2C9%28x-3%29-4y=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----this system must make sense first... then solve for x and y.\r<BR>\n" );
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document.write( "A possible simplification before getting to the results,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y-5-2x=4%2C9x-27-4y=4%29 ALIGN=MIDDLE  ALT=\"system%28y-5-2x=4%2C9x-27-4y=4%29\"   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=system%28y-2x=9%2C9x-4y=31%29 ALIGN=MIDDLE  ALT=\"system%28y-2x=9%2C9x-4y=31%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Choose the method you want, and continue.\r<BR>\n" );
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document.write( "Substitution method?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x-4%289%2B2x%29=31 ALIGN=MIDDLE  ALT=\"9x-4%289%2B2x%29=31\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9x-36-8x=31 ALIGN=MIDDLE  ALT=\"9x-36-8x=31\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=31%2B36 ALIGN=MIDDLE  ALT=\"x=31%2B36\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28x=67%29 ALIGN=MIDDLE  ALT=\"highlight_green%28x=67%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----Pedro's age NOW.\r<BR>\n" );
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document.write( "Not finished, but you can finish this. </SPAN>\n" );
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