document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442524>Question 442524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The measure of an angle is 20 less than 3 times its supplement. Find the measure of the angle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305278 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's call this angle x. The supplement of x is 180-x by definition.\r<BR>\n" );
document.write( "\n" );
document.write( "3*(180-x) - 20 = x\r<BR>\n" );
document.write( "\n" );
document.write( "540 - 3x - 20 = x<BR>\n" );
document.write( "520 = 4x<BR>\n" );
document.write( "x= 130\r<BR>\n" );
document.write( "\n" );
document.write( "Let's check this:\r<BR>\n" );
document.write( "\n" );
document.write( "If x is 130, then the supplement of x is 180-130 = 50.<BR>\n" );
document.write( "Three times the supplement of x is 3*50 = 150.<BR>\n" );
document.write( "And 20 less than that is 150-20 = 130.  \r<BR>\n" );
document.write( "\n" );
document.write( "So the angle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=130 ALIGN=MIDDLE  ALT=\"130\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );