Solve for y
y=\frac{x-4}{4}
Solve for x
x=4\left(y+1\right)
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4y+4=x
Swap sides so that all variable terms are on the left hand side.
4y=x-4
Subtract 4 from both sides.
\frac{4y}{4}=\frac{x-4}{4}
Divide both sides by 4.
y=\frac{x-4}{4}
Dividing by 4 undoes the multiplication by 4.
y=\frac{x}{4}-1
Divide x-4 by 4.
Examples
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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