document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97003>Question 97003</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Line AOB is a straight line, angle AOC=5x, angle COD=(3x+30), and angle DOB=(2x+10). Find the value of x. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #70613 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=70613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's a drawing to see what's going on:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C500%2C-10%2C10%2C-10%2C10%2C%0D%0Aline%28-10%2C0%2C10%2C0%29%2C%0D%0Aline%280%2C0%2C8%2C8%29%2C%0D%0Aline%280%2C0%2C-8%2C8%29%2C%0D%0Alocate%28-10%2C0%2CA%29%2C%0D%0Alocate%280%2C0%2CO%29%2C%0D%0Alocate%2810%2C0%2CB%29%2C%0D%0Alocate%288%2C8%2CD%29%2C%0D%0Alocate%28-8.2%2C8%2CC%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > note: this drawing is not to scale\r<BR>\n" );
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document.write( "Here we can see that all of the angles are formed from intersecting lines that meet with AOB. Also, we can see that these angles all add up to 180 degrees (since they are all supplementary)\r<BR>\n" );
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document.write( "So that means that the sum of all of the angles is 180\r<BR>\n" );
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document.write( "So it can be translated to....\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x%2B%283x%2B30%29%2B%282x%2B10%29=180 ALIGN=MIDDLE  ALT=\"5x%2B%283x%2B30%29%2B%282x%2B10%29=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=5x%2B3x%2B30%2B2x%2B10=180 ALIGN=MIDDLE  ALT=\"5x%2B3x%2B30%2B2x%2B10=180\"   DISABLED_style= \"max-width:90%; height:auto;\" > Remove the parenthesis\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x%2B40=180 ALIGN=MIDDLE  ALT=\"10x%2B40=180\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms on the left side\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x=180-40 ALIGN=MIDDLE  ALT=\"10x=180-40\"   DISABLED_style= \"max-width:90%; height:auto;\" >Subtract 40 from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10x=140 ALIGN=MIDDLE  ALT=\"10x=140\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms on the right side\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28140%29%2F%2810%29 ALIGN=MIDDLE  ALT=\"x=%28140%29%2F%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 10 to isolate x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=14 ALIGN=MIDDLE  ALT=\"x=14\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "So our answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=14 ALIGN=MIDDLE  ALT=\"x=14\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( " </SPAN>\n" );
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