document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067624>Question 1067624</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in an isosceles triangle with 2 known angles of 20x-10 and 9x+4 there is an unknown angle that is equal to 20x-10 how do i find that angle and solve for x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682744 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 20x-10+9x+4+20x-10 = 180<BR>\n" );
document.write( "20x+9x+20x-10+4-10 = 180<BR>\n" );
document.write( "49x-16 = 180<BR>\n" );
document.write( "49x = 196<BR>\n" );
document.write( "x = 4<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "20(4)-10 = 70<BR>\n" );
document.write( "9(4)+4 = 40<BR>\n" );
document.write( "20(4)-10 = 70<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "The angles of EVERY triangle add up to 180 degrees. We have:<BR>\n" );
document.write( "70+40+70 = 180 Correct. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );