document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=10329>Question 10329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following:\r<BR>\n" );
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document.write( "I = E/R + r  for r\r<BR>\n" );
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document.write( "I understand how to do this if there was not a \"+ r\" in the equation, but I am lost when it comes to the \"+ r\". I don't know what you do with it. I think it would turn into a \"1r\". \r<BR>\n" );
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document.write( "I = E/r, then multiply both sides by r,and end up with the answer: E/I = r?\r<BR>\n" );
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document.write( "Please let me know if this is correct, of if I am at least on the right track. Thanks for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #5498 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=5498\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do you mean <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I+=+E%2F%28R+%2B+r%29 ALIGN=MIDDLE  ALT=\"I+=+E%2F%28R+%2B+r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  solve for r??  If this is what you meant, then you needed parentheses around the (R+r).  If that is NOT what you meant, then the solution is quite different from what I am about to do--resubmit the problem, we'll take another look at it.   Also, remember that<BR>\n" );
document.write( "in math, capital R and lower case r are considered two different variables!\r<BR>\n" );
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document.write( "Assuming this is the problem you had in mind:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I%2F1+=+E%2F%28R%2Br%29+ ALIGN=MIDDLE  ALT=\"I%2F1+=+E%2F%28R%2Br%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Remember <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Fb=c%2Fd ALIGN=MIDDLE  ALT=\"a%2Fb=c%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" >?  It means <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ad=+bc ALIGN=MIDDLE  ALT=\"ad=+bc\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "In the same way, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I%2F1+=+E%2F%28R%2Br%29+ ALIGN=MIDDLE  ALT=\"I%2F1+=+E%2F%28R%2Br%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > means that <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=I%2A%28R%2Br%29+=+1%2AE ALIGN=MIDDLE  ALT=\"I%2A%28R%2Br%29+=+1%2AE\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Remove parentheses:<BR>\n" );
document.write( "IR + Ir = E\r<BR>\n" );
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document.write( "Get the small r term all alone on the left side by subtracting IR from each side:<BR>\n" );
document.write( "IR - IR + Ir = E - IR<BR>\n" );
document.write( "Ir = E-IR\r<BR>\n" );
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document.write( "Last, divide both sides by I:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28Ir%29%2FI+=+%28E-IR%29%2FI+ ALIGN=MIDDLE  ALT=\"+%28Ir%29%2FI+=+%28E-IR%29%2FI+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=+%28E-IR%29%2FI+ ALIGN=MIDDLE  ALT=\"+r+=+%28E-IR%29%2FI+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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