Solve for x
x=4y-1
Solve for y
y=\frac{x+1}{4}
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x+1=4y
Swap sides so that all variable terms are on the left hand side.
x=4y-1
Subtract 1 from both sides.
4y=x+1
The equation is in standard form.
\frac{4y}{4}=\frac{x+1}{4}
Divide both sides by 4.
y=\frac{x+1}{4}
Dividing by 4 undoes the multiplication by 4.
Examples
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Simultaneous equation
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Limits
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