Solve for x
x=-\frac{y}{2}-4
Solve for y
y=-2x-8
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2x=-8-y
Subtract y from both sides.
2x=-y-8
The equation is in standard form.
\frac{2x}{2}=\frac{-y-8}{2}
Divide both sides by 2.
x=\frac{-y-8}{2}
Dividing by 2 undoes the multiplication by 2.
x=-\frac{y}{2}-4
Divide -8-y by 2.
y=-8-2x
Subtract 2x from both sides.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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