Solve for x
x=\frac{y}{9}
Solve for y
y=9x
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9x=y
The equation is in standard form.
\frac{9x}{9}=\frac{y}{9}
Divide both sides by 9.
x=\frac{y}{9}
Dividing by 9 undoes the multiplication by 9.
y=9x
Swap sides so that all variable terms are on the left hand side.
Examples
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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