Solve for x_4
x_{4}=\frac{7}{x_{9}}
x_{9}\neq 0
Solve for x_9
x_{9}=\frac{7}{x_{4}}
x_{4}\neq 0
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x_{9}x_{4}=7
The equation is in standard form.
\frac{x_{9}x_{4}}{x_{9}}=\frac{7}{x_{9}}
Divide both sides by x_{9}.
x_{4}=\frac{7}{x_{9}}
Dividing by x_{9} undoes the multiplication by x_{9}.
x_{4}x_{9}=7
The equation is in standard form.
\frac{x_{4}x_{9}}{x_{4}}=\frac{7}{x_{4}}
Divide both sides by x_{4}.
x_{9}=\frac{7}{x_{4}}
Dividing by x_{4} undoes the multiplication by x_{4}.
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