Solve for y
y=\frac{x-4}{4}
Solve for x
x=4\left(y+1\right)
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-4y=4-x
Subtract x from both sides.
\frac{-4y}{-4}=\frac{4-x}{-4}
Divide both sides by -4.
y=\frac{4-x}{-4}
Dividing by -4 undoes the multiplication by -4.
y=\frac{x}{4}-1
Divide 4-x by -4.
x=4+4y
Add 4y to 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 ) }
Integration
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Limits
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