Solve and show steps. Solve the formula for the indicated variable.
$T = \frac{3 U}{E}$ , solve for $U$ .

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Solution

Find the formula for $U$ :
Multiply both sides of the given formula $T = \frac{3 U}{E}$ by $E$ .
$T \cdot E = \frac{3 U}{E} \cdot E \Rightarrow T \cdot E = 3 U$
Now divide both sides by $3$ .
$\frac{T \cdot E}{3} = \frac{3 U}{3} \Rightarrow \frac{T \cdot E}{3} = U$
So, the formula is solved for $U$ as $U = \frac{T \cdot E}{3}$ .
Hence, the correct answer is $U = \frac{T \cdot E}{3}$ .

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