Verified Answer :

mpanderla95

Cd+e = 21

Cd + e - e = 21 - e

Cd = 21 - e

Cd/C = 21-e/C

d = 21-e/C.

\(Cd+e = 21\)    \(Equation\)

\(Cd + e - e = 21 - e\)  \(Subtract \ e \ from \ both \ sides\)

\(Cd = 21 - e\)    \(Simplify\)

\(Cd/C = 21-e/C\)  \(Divide \ both \ sides \ by \ C\)

\(d = 21-e/C.\)  \(Solution\)

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