Solve for n
n=\frac{c_{n}+1}{3}
Solve for c_n
c_{n}=3n-1
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3n-1=c_{n}
Swap sides so that all variable terms are on the left hand side.
3n=c_{n}+1
Add 1 to both sides.
\frac{3n}{3}=\frac{c_{n}+1}{3}
Divide both sides by 3.
n=\frac{c_{n}+1}{3}
Dividing by 3 undoes the multiplication by 3.
Examples
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Matrix
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Simultaneous equation
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Integration
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Limits
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