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solve each formula for the specified variable I=E/RL+r for r

0 votes

solve each formula for the specified variable I=E/RL+r for r 

asked Oct 23, 2014 in ALGEBRA 2 by doan12345 Pupil

1 Answer

+1 vote

The equation is I=E/RL+r

Multiply each side by (RL + r).

I(RL + r) = E

Divide each side by I.

(RL + r) = E/I

Subtract RL from each side.

r = (E/I) - RL

answered Oct 23, 2014 by bradely Mentor

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