Solve for y
y=\frac{c}{3}
Solve for c
c=3y
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3y=c
The equation is in standard form.
\frac{3y}{3}=\frac{c}{3}
Divide both sides by 3.
y=\frac{c}{3}
Dividing by 3 undoes the multiplication by 3.
c=3y
Swap sides so that all variable terms are on the left hand side.
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