document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=12551>Question 12551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Angle ABC and angle DEB are vertical angles. Angle ABC = (4x + 50) degrees, and angle DEB = (2x + 60) degrees. Find x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6425 by </B><A HREF=/tutors/aboutme.mpl?userid=AdolphousC><B>AdolphousC(70)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AdolphousC><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=6425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertical Angles are always equal, so set the two expressions equal and solve.<BR>\n" );
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document.write( "4x + 50 = 2x + 60 Subtract 2X from both sides<BR>\n" );
document.write( "2x + 50 = 60 Subtract 50 from both sides<BR>\n" );
document.write( "2x = 10 Divde both sides by 2<BR>\n" );
document.write( "x = 5.<BR>\n" );
document.write( "<P><BR>\n" );
document.write( "Check<BR>\n" );
document.write( "4x + 50 = 4(5) + 50 = 20 + 50 = 70<BR>\n" );
document.write( "2x + 60 = 2(5) + 60 = 10 + 60 = 70<BR>\n" );
document.write( "<P><BR>\n" );
document.write( "Since we checked them and both angles are equal, we know x = 5 </SPAN>\n" );
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