SOLUTION: solve the formulas below for the indicated variable.show your work. e/R+r=I, for R

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Question 208787This question is from textbook algebra 1 an integrated approach
: solve the formulas below for the indicated variable.show your work.
e/R+r=I, for R
This question is from textbook algebra 1 an integrated approach

Answer by RAY100(1637)   (Show Source): You can put this solution on YOUR website!
(e/R) +r =I,,,,,subst r
.
e/R = I-r,,,,,,,,divide thru by (I-r),,,,multiply thru by R
.
e/(I-r) = R
.
.
.
If problem is e/(R+r) = I,,,,,,,,ccross multiply
.
e = (R+r)I,,,,,,divide thru by I
.
e/I = R+r,,,,,,,substract r
.
(e/I) -r =R
.

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