document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=200189>Question 200189</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your dad is 34 years older than your brother. Five years ago, your dad was three times as old as your brother. How old are they now?\r<BR>\n" );
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document.write( "What I know already:\r<BR>\n" );
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document.write( "x-y = 34 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #150496 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=150496\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let \r<BR>\n" );
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document.write( "x=your dad's age (right now)<BR>\n" );
document.write( "y=your brother's age (right now)\r<BR>\n" );
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document.write( "so this means that\r<BR>\n" );
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document.write( "x-5=your dad's age 5 years ago<BR>\n" );
document.write( "y-5=your brother's age 5 years ago\r<BR>\n" );
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document.write( "Since \"Your dad is 34 years older than your brother\", this means that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=y%2B34 ALIGN=MIDDLE  ALT=\"x=y%2B34\"   DISABLED_style= \"max-width:90%; height:auto;\" > which can be rewritten as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=34 ALIGN=MIDDLE  ALT=\"x-y=34\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So our first equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-y=34 ALIGN=MIDDLE  ALT=\"x-y=34\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Also, because \"Five years ago, your dad was three times as old as your brother\", we know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-5=3%28y-5%29 ALIGN=MIDDLE  ALT=\"x-5=3%28y-5%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=x-5=3%28y-5%29 ALIGN=MIDDLE  ALT=\"x-5=3%28y-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-5=3y-15 ALIGN=MIDDLE  ALT=\"x-5=3y-15\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=3y-15%2B5 ALIGN=MIDDLE  ALT=\"x=3y-15%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 5 to both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-3y=-15%2B5 ALIGN=MIDDLE  ALT=\"x-3y=-15%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 3y from both sides.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-3y=-10 ALIGN=MIDDLE  ALT=\"x-3y=-10\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms.\r<BR>\n" );
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document.write( "So our second equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-3y=-10 ALIGN=MIDDLE  ALT=\"x-3y=-10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So you just need to solve the system\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x-y=34%2Cx-3y=-10%29 ALIGN=MIDDLE  ALT=\"system%28x-y=34%2Cx-3y=-10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "to find x and y. I'll let you do that.\r<BR>\n" );
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document.write( "If you have any questions, email me at <a  rel=nofollow HREF=\"mailto:jim_thompson5910@hotmail.com\">jim_thompson5910@hotmail.com</a>.<BR>\n" );
document.write( "Check out my <a  rel=nofollow HREF=\"http://www.freewebs.com/jimthompson5910/home.html\">website</a> if you are interested in tutoring. </SPAN>\n" );
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