Solve for y
y=-\frac{x}{4}
Solve for x
x=-4y
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4y=-x
Subtract x from both sides. Anything subtracted from zero gives its negation.
\frac{4y}{4}=-\frac{x}{4}
Divide both sides by 4.
y=-\frac{x}{4}
Dividing by 4 undoes the multiplication by 4.
x=-4y
Subtract 4y from both sides. Anything subtracted from zero gives its negation.
Examples
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Limits
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