Solve for x
x=\frac{400}{x_{2}x_{3}}
x_{3}\neq 0\text{ and }x_{2}\neq 0
Solve for x_2
x_{2}=\frac{400}{xx_{3}}
x\neq 0\text{ and }x_{3}\neq 0
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x_{2}x_{3}x=400
The equation is in standard form.
\frac{x_{2}x_{3}x}{x_{2}x_{3}}=\frac{400}{x_{2}x_{3}}
Divide both sides by x_{2}x_{3}.
x=\frac{400}{x_{2}x_{3}}
Dividing by x_{2}x_{3} undoes the multiplication by x_{2}x_{3}.
xx_{3}x_{2}=400
The equation is in standard form.
\frac{xx_{3}x_{2}}{xx_{3}}=\frac{400}{xx_{3}}
Divide both sides by x_{3}x.
x_{2}=\frac{400}{xx_{3}}
Dividing by x_{3}x undoes the multiplication by x_{3}x.
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