Solve for I
\left\{\begin{matrix}I=\frac{125p}{v}\text{, }&v\neq 0\\I\in \mathrm{R}\text{, }&p=0\text{ and }v=0\end{matrix}\right.
Solve for p
p=\frac{Iv}{125}
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240vI=30000p
Swap sides so that all variable terms are on the left hand side.
\frac{240vI}{240v}=\frac{30000p}{240v}
Divide both sides by 240v.
I=\frac{30000p}{240v}
Dividing by 240v undoes the multiplication by 240v.
I=\frac{125p}{v}
Divide 30000p by 240v.
30000p=240Iv
The equation is in standard form.
\frac{30000p}{30000}=\frac{240Iv}{30000}
Divide both sides by 30000.
p=\frac{240Iv}{30000}
Dividing by 30000 undoes the multiplication by 30000.
p=\frac{Iv}{125}
Divide 240vI by 30000.
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