Solve for y
y=\frac{5-x}{9}
Solve for x
x=5-9y
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9y=5-x
Subtract x from both sides.
\frac{9y}{9}=\frac{5-x}{9}
Divide both sides by 9.
y=\frac{5-x}{9}
Dividing by 9 undoes the multiplication by 9.
x=5-9y
Subtract 9y from both sides.
Examples
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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