document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=127296>Question 127296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all the numbers for which the rational expression is undefined.\r<BR>\n" );
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document.write( "I got to the point that I rewrote the problem as:\r<BR>\n" );
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document.write( "7z+5 = 0\r<BR>\n" );
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document.write( "But, I'm stuck now.  I know I should be able to solve for z at this point, but I keep getting the wrong answer.  What could I be doing wrong?  Did I set the problem up wrong to begin with? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93242 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=93242\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well if we solve for z, we get...\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7z%2B5=0 ALIGN=MIDDLE  ALT=\"7z%2B5=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7z=0-5 ALIGN=MIDDLE  ALT=\"7z=0-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >Subtract 5 from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7z=-5 ALIGN=MIDDLE  ALT=\"7z=-5\"   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=z=%28-5%29%2F%287%29 ALIGN=MIDDLE  ALT=\"z=%28-5%29%2F%287%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 7 to isolate z\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=-5%2F7 ALIGN=MIDDLE  ALT=\"z=-5%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > Reduce\r<BR>\n" );
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document.write( "--------------------------------------------------------------\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=z=-5%2F7 ALIGN=MIDDLE  ALT=\"z=-5%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >  (which is approximately <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=-0.714285714285714 ALIGN=MIDDLE  ALT=\"z=-0.714285714285714\"   DISABLED_style= \"max-width:90%; height:auto;\" > in decimal form)\r<BR>\n" );
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document.write( "However, it will help if you post the original problem to see where you went wrong </SPAN>\n" );
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