For the circuit shown. If $E_1=40V,E_2=10V,R_1=13,R_2=18,$ and $R_3=14.$ Find the current I using the superposition theorem. $(3$ decimal points$)$

Step $1$:

Set $E_1=ON,E_2=$OFF

$I_1=A$

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Step $2$:

Set $E_1=$OFF,$E_2=ON$

$I_2=$

A

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Step $3$:

$I=$ A

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