document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=22620>Question 22620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I cannot find a place that explains how to do this problem,any help would be appreciated.\r<BR>\n" );
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document.write( "Angles A and B are supplementary angles because their sum is 180 degrees. The measure of angle A is ten less than 4 times the measure of angle B. Find the measure of angle B? <BR>\n" );
document.write( "1. 45 degrees <BR>\n" );
document.write( "2. 38 degrees <BR>\n" );
document.write( "3. 142 degrees <BR>\n" );
document.write( "4. 36 degrees \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11124 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=11124\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Start with A + B = 180 degrees  (A means...the measure of angle A)\r<BR>\n" );
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document.write( "A = 4B-10  \"The measure of angle A is (=) 4 times the measure of angle B (4B) less 10 degrees (-10)\".  Substitute this equation for A into the above equation for A + B = 180.\r<BR>\n" );
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document.write( "(4B-10) + B = 180  Simplify and solve for B<BR>\n" );
document.write( "5B - 10 = 180  Add 10 to both sides.<BR>\n" );
document.write( "5B = 190 Divide both sides by 5.<BR>\n" );
document.write( "B = 38 degrees.\r<BR>\n" );
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document.write( "Check:\r<BR>\n" );
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document.write( "A = 4(38)-10 = 152 - 10 = 142 degrees.<BR>\n" );
document.write( " A + B = 142 + 38 = 180 degrees.\r<BR>\n" );
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