Solve for C
\left\{\begin{matrix}C=\frac{209eJu}{50a}\text{, }&a\neq 0\\C\in \mathrm{R}\text{, }&l=0\text{ or }\left(J=0\text{ and }a=0\right)\text{ or }\left(u=0\text{ and }a=0\right)\end{matrix}\right.
Solve for J
\left\{\begin{matrix}J=\frac{50Ca}{209eu}\text{, }&u\neq 0\\J\in \mathrm{R}\text{, }&l=0\text{ or }\left(C=0\text{ and }u=0\right)\text{ or }\left(a=0\text{ and }u=0\right)\end{matrix}\right.
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Cal=4.18eJlu
Reorder the terms.
alC=\frac{209eJlu}{50}
The equation is in standard form.
\frac{alC}{al}=\frac{209eJlu}{50al}
Divide both sides by al.
C=\frac{209eJlu}{50al}
Dividing by al undoes the multiplication by al.
C=\frac{209eJu}{50a}
Divide \frac{209Jule}{50} by al.
4.18Jule=1Cal
Swap sides so that all variable terms are on the left hand side.
4.18eJlu=Cal
Reorder the terms.
\frac{209elu}{50}J=Cal
The equation is in standard form.
\frac{50\times \frac{209elu}{50}J}{209elu}=\frac{50Cal}{209elu}
Divide both sides by 4.18ule.
J=\frac{50Cal}{209elu}
Dividing by 4.18ule undoes the multiplication by 4.18ule.
J=\frac{50Ca}{209eu}
Divide Cal by 4.18ule.
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