document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647477>Question 647477</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let <A and <B be supplementary angles and let m<A = (x + 12)° and m<B = (3x + 20)°. What is the value of x? What are the measures of the angles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406231 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=406231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "given:\r<BR>\n" );
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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;\" > and < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B ALIGN=MIDDLE  ALT=\"B\"   DISABLED_style= \"max-width:90%; height:auto;\" > be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=supplementary ALIGN=MIDDLE  ALT=\"supplementary\"   DISABLED_style= \"max-width:90%; height:auto;\" > angles, and \r<BR>\n" );
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document.write( "let m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28x+%2B+12%29 ALIGN=MIDDLE  ALT=\"A+=+%28x+%2B+12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >° and m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+%283x+%2B+20%29 ALIGN=MIDDLE  ALT=\"B+=+%283x+%2B+20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >°. \r<BR>\n" );
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document.write( "What is the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >? \r<BR>\n" );
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document.write( "What are the measures of the angles?<BR>\n" );
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document.write( "Supplementary Angles add up to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180 ALIGN=MIDDLE  ALT=\"180\"   DISABLED_style= \"max-width:90%; height:auto;\" >°.\r<BR>\n" );
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document.write( "So, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB=180 ALIGN=MIDDLE  ALT=\"A%2BB=180\"   DISABLED_style= \"max-width:90%; height:auto;\" >............1\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28x+%2B+12%29 ALIGN=MIDDLE  ALT=\"A+=+%28x+%2B+12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+%283x+%2B+20%29 ALIGN=MIDDLE  ALT=\"B+=+%283x+%2B+20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >°...plug it in 1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+12%2B3x+%2B+20=180 ALIGN=MIDDLE  ALT=\"x+%2B+12%2B3x+%2B+20=180\"   DISABLED_style= \"max-width:90%; height:auto;\" >............1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x+%2B+32=180 ALIGN=MIDDLE  ALT=\"4x+%2B+32=180\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x=180-32 ALIGN=MIDDLE  ALT=\"4x=180-32\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x=148 ALIGN=MIDDLE  ALT=\"4x=148\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=148%2F4 ALIGN=MIDDLE  ALT=\"x=148%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=37 ALIGN=MIDDLE  ALT=\"x=37\"   DISABLED_style= \"max-width:90%; height:auto;\" >........the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the measures of the angles:\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28x+%2B+12%29 ALIGN=MIDDLE  ALT=\"A+=+%28x+%2B+12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%2837%2B+12%29 ALIGN=MIDDLE  ALT=\"A+=+%2837%2B+12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+49 ALIGN=MIDDLE  ALT=\"A+=+49\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+%283x+%2B+20%29 ALIGN=MIDDLE  ALT=\"B+=+%283x+%2B+20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+%283%2A37+%2B+20%29 ALIGN=MIDDLE  ALT=\"B+=+%283%2A37+%2B+20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+%28111+%2B+20%29 ALIGN=MIDDLE  ALT=\"B+=+%28111+%2B+20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( "m < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B+=+131 ALIGN=MIDDLE  ALT=\"B+=+131\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );