Solve for A
A=3-\frac{1}{N}
N\neq 0
Solve for N
N=-\frac{1}{A-3}
A\neq 3
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NA=3N-1
The equation is in standard form.
\frac{NA}{N}=\frac{3N-1}{N}
Divide both sides by N.
A=\frac{3N-1}{N}
Dividing by N undoes the multiplication by N.
A=3-\frac{1}{N}
Divide 3N-1 by N.
AN-3N=-1
Subtract 3N from both sides.
\left(A-3\right)N=-1
Combine all terms containing N.
\frac{\left(A-3\right)N}{A-3}=-\frac{1}{A-3}
Divide both sides by A-3.
N=-\frac{1}{A-3}
Dividing by A-3 undoes the multiplication by A-3.
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