document.write( "Question 353251: Solve the formulas below for the indicated variable. Show your work.
\n" ); document.write( "E/R+r =1, for R
\n" ); document.write( "I really don't even understand what they mean here, I'd really appreciate some help! Thank you!
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Algebra.Com's Answer #252414 by unlockmath(1688)\"\" \"About 
You can put this solution on YOUR website!
Hello,
\n" ); document.write( "Basically all it's calling for is to get R by itself on one side of the =.
\n" ); document.write( "E/R+r =1, for R
\n" ); document.write( "First we multiply by R to get it out of the denominator.
\n" ); document.write( "E+rR =1R
\n" ); document.write( "Subtract E and R from both sides to get: (Note 1R is the same as R)
\n" ); document.write( "rR-R=-E
\n" ); document.write( "rewrite as:
\n" ); document.write( "R(r-1)=-E
\n" ); document.write( "Now Divide by r-1 to get:
\n" ); document.write( "R=-E/(r-1)
\n" ); document.write( "Make sense?
\n" ); document.write( "RJ
\n" ); document.write( "www.math-unlock.com
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