Solve for x
x=-\frac{y}{4}-2
Solve for y
y=-4x-8
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-4x-8=y
Swap sides so that all variable terms are on the left hand side.
-4x=y+8
Add 8 to both sides.
\frac{-4x}{-4}=\frac{y+8}{-4}
Divide both sides by -4.
x=\frac{y+8}{-4}
Dividing by -4 undoes the multiplication by -4.
x=-\frac{y}{4}-2
Divide y+8 by -4.
Examples
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Linear equation
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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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