Solve for x_2
\left\{\begin{matrix}x_{2}=\frac{x_{1}}{x_{3}}\text{, }&x_{1}\neq 0\text{ and }x_{3}\neq 0\\x_{2}\neq 0\text{, }&x_{3}=0\text{ and }x_{1}=0\end{matrix}\right.
Solve for x_1
x_{1}=x_{2}x_{3}
x_{2}\neq 0
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x_{1}=x_{3}x_{2}
Variable x_{2} cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by x_{2}.
x_{3}x_{2}=x_{1}
Swap sides so that all variable terms are on the left hand side.
\frac{x_{3}x_{2}}{x_{3}}=\frac{x_{1}}{x_{3}}
Divide both sides by x_{3}.
x_{2}=\frac{x_{1}}{x_{3}}
Dividing by x_{3} undoes the multiplication by x_{3}.
x_{2}=\frac{x_{1}}{x_{3}}\text{, }x_{2}\neq 0
Variable x_{2} cannot be equal to 0.
x_{1}=x_{3}x_{2}
Multiply both sides of the equation by x_{2}.
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