document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=13613>Question 13613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> thanks for your help on the previous problem...  I'm trying to apply the rules you showed me.  So...  now I've got <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%284x-5%29%2F10%29-%28%28x-2%29%2F4%29=%28x%2F20%29-1 ALIGN=MIDDLE  ALT=\"+%28%284x-5%29%2F10%29-%28%28x-2%29%2F4%29=%28x%2F20%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I got as far as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8x-10-5x%2B10=x-20 ALIGN=MIDDLE  ALT=\"+8x-10-5x%2B10=x-20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I can't figure out the +/- rules for simplifying from here.  I thought you keep whatever sign is directly in front of the number:  +8x and -10 and -5x and +10\r<BR>\n" );
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document.write( "So now I'm stuck with x=10; but when I plug it in, I get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%281%2F2%29=-%281%2F2%29 ALIGN=MIDDLE  ALT=\"1%281%2F2%29=-%281%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is not equal.  \r<BR>\n" );
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document.write( "i really appreciate the help.  thanks!   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6861 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=6861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> multiply everything by 20..correct<BR>\n" );
document.write( "be careful with the -ve signs outside of brackets...correct\r<BR>\n" );
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document.write( "8x-10-5x+10=x-20<BR>\n" );
document.write( "3x = x-20<BR>\n" );
document.write( "2x = -20<BR>\n" );
document.write( "--> x = -10\r<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%28-40-5%29%2F10%29-%28%28-10-2%29%2F4%29=%28-10%2F20%29-1 ALIGN=MIDDLE  ALT=\"+%28%28-40-5%29%2F10%29-%28%28-10-2%29%2F4%29=%28-10%2F20%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%28-45%29%2F10%29-%28%28-12%29%2F4%29=%28-1%2F2%29-1 ALIGN=MIDDLE  ALT=\"+%28%28-45%29%2F10%29-%28%28-12%29%2F4%29=%28-1%2F2%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(-4.5)-(-3)=(-1/2)-1<BR>\n" );
document.write( "-4.5 + 3 = -1.5<BR>\n" );
document.write( "-1.5 = -1.5 <BR>\n" );
document.write( "--> correct\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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