document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=705224>Question 705224</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of x and y. Side DC is x+2y , CB is 15 , BA is 25, and side AD is 2x - 3y.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434454 by </B><A HREF=/tutors/aboutme.mpl?userid=filboi><B>filboi(35)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=filboi><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=434454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It would help if you write the figure in a piece of paper.\r<BR>\n" );
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document.write( "Since DC=AB:<BR>\n" );
document.write( "x+2y=25 ; x=25-2y Eq.1\r<BR>\n" );
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document.write( "And AD=CB:<BR>\n" );
document.write( "2x-3y=15 Eq.2\r<BR>\n" );
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document.write( "Substitute x in Eq.2.<BR>\n" );
document.write( "2(25-2y)-3y=15<BR>\n" );
document.write( "50-4y-3y=15\r<BR>\n" );
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document.write( "Solving for y will give y=5. Then substitute the value of y in Eq.1:<BR>\n" );
document.write( "x=25-2(5)=15\r<BR>\n" );
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document.write( "So the answer is (x,y)=(15,5) or x=15, y=5. </SPAN>\n" );
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