document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=354548>Question 354548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the formulas below for the indicated variable.  Show your work.\r<BR>\n" );
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document.write( "E/R+r = I, for R\r<BR>\n" );
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document.write( "Please help me, I don't know how to solve this kind of problem!  Thank you!! :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #253332 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=253332\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sure you do. Let's walk it step by step<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%2FR%2Br+=+I ALIGN=MIDDLE  ALT=\"E%2FR%2Br+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "First thing, you need to make sure the problem is written clearly<BR>\n" );
document.write( "Do you mean <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28E%2FR%29%2Br+=+I ALIGN=MIDDLE  ALT=\"%28E%2FR%29%2Br+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%2F%28R%2Br%29+=+I ALIGN=MIDDLE  ALT=\"E%2F%28R%2Br%29+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "As written, it is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28E%2FR%29%2Br+=+I ALIGN=MIDDLE  ALT=\"%28E%2FR%29%2Br+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so let's solve that one<BR>\n" );
document.write( "You want to isolate R, so <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28E%2FR%29%2Br+=+I ALIGN=MIDDLE  ALT=\"%28E%2FR%29%2Br+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract r from each side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28E%2FR%29+=+I+-+r ALIGN=MIDDLE  ALT=\"%28E%2FR%29+=+I+-+r\"   DISABLED_style= \"max-width:90%; height:auto;\" > now multiply both sides by R (assumes R is not zero)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E+=+%28I-r%29+%2A+R ALIGN=MIDDLE  ALT=\"E+=+%28I-r%29+%2A+R\"   DISABLED_style= \"max-width:90%; height:auto;\" > now divide both sides by I-r (assumes I-r is not zero)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%2F%28I-r%29+=+R ALIGN=MIDDLE  ALT=\"E%2F%28I-r%29+=+R\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "there you have it\r<BR>\n" );
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document.write( "If the problem was actually<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%2F%28R%2Br%29+=+I ALIGN=MIDDLE  ALT=\"E%2F%28R%2Br%29+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then do a similar set of steps<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%2F%28R%2Br%29+=+I ALIGN=MIDDLE  ALT=\"E%2F%28R%2Br%29+=+I\"   DISABLED_style= \"max-width:90%; height:auto;\" > multiply bith sides by (R+r)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E+=+I+%2A+%28R%2Br%29 ALIGN=MIDDLE  ALT=\"E+=+I+%2A+%28R%2Br%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E+=+IR+%2B+Ir ALIGN=MIDDLE  ALT=\"E+=+IR+%2B+Ir\"   DISABLED_style= \"max-width:90%; height:auto;\" > subrtract Ir from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E+-+Ir+=+IR ALIGN=MIDDLE  ALT=\"E+-+Ir+=+IR\"   DISABLED_style= \"max-width:90%; height:auto;\" > divide both sides by I<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28E-Ir%29%2FI+=+R ALIGN=MIDDLE  ALT=\"%28E-Ir%29%2FI+=+R\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Be careful when posting problems to this site. use as many parens as you need to make the problem clear. Else folks like me can't help much\r<BR>\n" );
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document.write( " </SPAN>\n" );
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