Solve for L
L=\frac{N}{2}
Solve for N
N=2L
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2L=N
The equation is in standard form.
\frac{2L}{2}=\frac{N}{2}
Divide both sides by 2.
L=\frac{N}{2}
Dividing by 2 undoes the multiplication by 2.
N=2L
Swap sides so that all variable terms are on the left hand side.
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