document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=651095>Question 651095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having a problem solving the following story problem.  I got it wrong on my quiz and have to fix it. The problem says: One of the angles of a parallelogram measures 15 less than 2 times the measure of the angle next to it. Find the measure of all 4 of the angles. (Remember all the angles add up to 360 degrees).  I put: x+x+x+2x-15 = 360\r<BR>\n" );
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document.write( "after doing the math, I got x = 75 degrees \r<BR>\n" );
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document.write( "It was marked wrong.  I am lost about if I did the equation wrong. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #407551 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=407551\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of adjacent angles must <BR>\n" );
document.write( "add up to 180 degrees<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the unknown angle<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+2%2A%28+180+-+a+%29+-+15+ ALIGN=MIDDLE  ALT=\"+a+=+2%2A%28+180+-+a+%29+-+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+360+-+2a+-+15+ ALIGN=MIDDLE  ALT=\"+a+=+360+-+2a+-+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3a+=+345+ ALIGN=MIDDLE  ALT=\"+3a+=+345+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+115+ ALIGN=MIDDLE  ALT=\"+a+=+115+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+180+-+a+=+180+-+115+ ALIGN=MIDDLE  ALT=\"+180+-+a+=+180+-+115+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+180+-+a+=+65+ ALIGN=MIDDLE  ALT=\"+180+-+a+=+65+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The angles are 65,65,115 and 115<BR>\n" );
document.write( "checvk:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2A65+%2B+2%2A115+=+360+ ALIGN=MIDDLE  ALT=\"+2%2A65+%2B+2%2A115+=+360+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+130++%2B+230+=+360+ ALIGN=MIDDLE  ALT=\"+130++%2B+230+=+360+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+360+=+360+ ALIGN=MIDDLE  ALT=\"+360+=+360+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );