Solve for a (complex solution)
\left\{\begin{matrix}a=\frac{x_{2}}{4y}\text{, }&y\neq 0\\a\in \mathrm{C}\text{, }&x_{2}=0\text{ and }y=0\end{matrix}\right.
Solve for a
\left\{\begin{matrix}a=\frac{x_{2}}{4y}\text{, }&y\neq 0\\a\in \mathrm{R}\text{, }&x_{2}=0\text{ and }y=0\end{matrix}\right.
Solve for x_2
x_{2}=4ay
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4ay=x_{2}
Swap sides so that all variable terms are on the left hand side.
4ya=x_{2}
The equation is in standard form.
\frac{4ya}{4y}=\frac{x_{2}}{4y}
Divide both sides by 4y.
a=\frac{x_{2}}{4y}
Dividing by 4y undoes the multiplication by 4y.
4ay=x_{2}
Swap sides so that all variable terms are on the left hand side.
4ya=x_{2}
The equation is in standard form.
\frac{4ya}{4y}=\frac{x_{2}}{4y}
Divide both sides by 4y.
a=\frac{x_{2}}{4y}
Dividing by 4y undoes the multiplication by 4y.
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