Solve for x
x=\frac{y+4z}{2}
Solve for y
y=2\left(x-2z\right)
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2x-4z=y
Swap sides so that all variable terms are on the left hand side.
2x=y+4z
Add 4z to both sides.
\frac{2x}{2}=\frac{y+4z}{2}
Divide both sides by 2.
x=\frac{y+4z}{2}
Dividing by 2 undoes the multiplication by 2.
x=\frac{y}{2}+2z
Divide y+4z by 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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