Solve for x_0
\left\{\begin{matrix}x_{0}=\frac{x_{1}y_{0}}{y_{1}}\text{, }&y_{1}\neq 0\\x_{0}\in \mathrm{R}\text{, }&\left(x_{1}=0\text{ or }y_{0}=0\right)\text{ and }y_{1}=0\end{matrix}\right.
Solve for x_1
\left\{\begin{matrix}x_{1}=\frac{x_{0}y_{1}}{y_{0}}\text{, }&y_{0}\neq 0\\x_{1}\in \mathrm{R}\text{, }&\left(x_{0}=0\text{ or }y_{1}=0\right)\text{ and }y_{0}=0\end{matrix}\right.
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x_{0}y_{1}=x_{1}y_{0}
Swap sides so that all variable terms are on the left hand side.
y_{1}x_{0}=x_{1}y_{0}
The equation is in standard form.
\frac{y_{1}x_{0}}{y_{1}}=\frac{x_{1}y_{0}}{y_{1}}
Divide both sides by y_{1}.
x_{0}=\frac{x_{1}y_{0}}{y_{1}}
Dividing by y_{1} undoes the multiplication by y_{1}.
y_{0}x_{1}=x_{0}y_{1}
The equation is in standard form.
\frac{y_{0}x_{1}}{y_{0}}=\frac{x_{0}y_{1}}{y_{0}}
Divide both sides by y_{0}.
x_{1}=\frac{x_{0}y_{1}}{y_{0}}
Dividing by y_{0} undoes the multiplication by y_{0}.
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