document.write( "Question 1097131: E/e=(R+r)/(R-r) solve for r \n" ); document.write( "

Algebra.Com's Answer #711534 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"E%28R-r%29=e%28R%2Br%29\"$
\n" ); document.write( " $\"ER-Er=eR%2Ber\"$
\n" ); document.write( " $\"er-Er=ER-eR\"$
\n" ); document.write( " $\"r%28e-E%29=R%28E-e%29\"$
\n" ); document.write( " $\"r=R%28%28E-e%29%2F%28e-E%29%29\"$
\n" ); document.write( " $\"r=-R%28%28E-e%29%2F%28E-e%29%29\"$
\n" ); document.write( " $\"r=-R\"$
\n" ); document.write( " \n" ); document.write( "

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