document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23701>Question 23701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the measure of a pair of supplementary angles are represented by (3a + 10) and (2a - 40).  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 #12453 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=12453\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Supplementary means that the angles add up to 180 degrees.<BR>\n" );
document.write( " (3a+10 ) + (2a-40) = 180<BR>\n" );
document.write( "5a-30= 180\r<BR>\n" );
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document.write( "Add +30 to each side of the equation:<BR>\n" );
document.write( "5a-30+30= 180 + 30<BR>\n" );
document.write( "5a = 210<BR>\n" );
document.write( "a = 42 degrees\r<BR>\n" );
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document.write( "Now find the two angles:<BR>\n" );
document.write( "3a+10= 3*42 + 10 = 126 + 10 = 136 degrees<BR>\n" );
document.write( "2a-40 = 2*42 -40 = 84 - 40 = 44 degrees\r<BR>\n" );
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document.write( "Check by adding the two angles and see if they add up to 180<BR>\n" );
document.write( "136 + 44 = 180\r<BR>\n" );
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document.write( "It checks!  \r<BR>\n" );
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document.write( "NOTE:  I have a confession to make--when I checked my work the first time, it did NOT check!  Sure enough, I had an error to correct!  These checks are really important to do whenever you are able to, especially if it is a test or international website!!!\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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