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