document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129509>Question 129509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One-half of Mr. Staines' age four years from now minus three-fourths of Mr. Staines' age four years ago is zero. What is Mr. Staines' present age? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94585 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=94585\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=Mr. Staine's present age\r<BR>\n" );
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document.write( "x+4=his age 4 years from now and<BR>\n" );
document.write( "x-4=his age 4 years ago\r<BR>\n" );
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document.write( "Now we are told that:\r<BR>\n" );
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document.write( "(1/2)(x+4)-(3/4)(x-4)=0 simplify\r<BR>\n" );
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document.write( "(x/2)+2-(3x/4)+3=0  multiply each term by 4\r<BR>\n" );
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document.write( "2x+8-3x+12=0 or<BR>\n" );
document.write( "-x+20=0  subtract 20 from each side\r<BR>\n" );
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document.write( "-x=-20  divide both sides by -1<BR>\n" );
document.write( "x=20-------------------------------------Mr. Staine's present age\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "(1/2)(20+4)-(3/4)(20-4)=0\r<BR>\n" );
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document.write( "12-12=0<BR>\n" );
document.write( "0=0\r<BR>\n" );
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document.write( "Hope this helps---ptaylor </SPAN>\n" );
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