document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910901>Question 910901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Angle A has the property that thirteen times its complement is equal to four times its supplement. Find the measure of angle A. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552757 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=552757\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> complement of A = 90 - A<BR>\n" );
document.write( "supplement of A = 180 - A<BR>\n" );
document.write( "13(90 - A) = 4(180 - A)<BR>\n" );
document.write( "1170 -13A = 720 -4A<BR>\n" );
document.write( "add -720 to each side<BR>\n" );
document.write( "450 -13A = -4A<BR>\n" );
document.write( "add 13A to each side<BR>\n" );
document.write( "450 = 9A<BR>\n" );
document.write( "divide each side by 9<BR>\n" );
document.write( "50 = A<BR>\n" );
document.write( "Angle A is 50 degrees.<BR>\n" );
document.write( "Notice that 13(90-50) = 4(180-50)<BR>\n" );
document.write( "13(40) = 4(130)<BR>\n" );
document.write( "520 = 520 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );