document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039570>Question 1039570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the value of each variable the diagram show a large X, on the left angle it is marked as 3x+8, the right angle is marked as 5x-20 and the bottom angle is marked as 5x+4y </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #654361 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=654361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertical angles are congruent.  Your \"left\" and \"right\" angles are of equal measure, so 5x-20=3x+8.\r<BR>\n" );
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document.write( "The sum of ALL FOUR angles is 360 degrees, so....,<BR>\n" );
document.write( "but what you need next is that your \"bottom\" angle and your \"right\" OR \"left\" angle are supplementary, meaning their sum is 180 degrees.  TWO of them; NOT the three of them.<BR>\n" );
document.write( "Arbitrarily picking one,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%2B8%2B5x%2B4y=180 ALIGN=MIDDLE  ALT=\"3x%2B8%2B5x%2B4y=180\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and you would have already solved for x. </SPAN>\n" );
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