Question

R=L+(V-D)r for V

Answer 1

minus l from both sides to get R-L=(V-D)r

Answer 2

divide both sides by r

Answer 3

\[\frac{ R-L }{ r } = V-D\]

Answer 4

add D to both sides

Answer 5

\[\frac{ R-L }{ r } + D = V\]

Answer 6

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