Solve for N_0
N_{0}=\frac{N}{e^{kt}}
Solve for N
N=N_{0}e^{kt}
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N_{0}e^{kt}=N
Swap sides so that all variable terms are on the left hand side.
e^{kt}N_{0}=N
The equation is in standard form.
\frac{e^{kt}N_{0}}{e^{kt}}=\frac{N}{e^{kt}}
Divide both sides by e^{kt}.
N_{0}=\frac{N}{e^{kt}}
Dividing by e^{kt} undoes the multiplication by e^{kt}.
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