Solve for a (complex solution)
\left\{\begin{matrix}a=-\frac{f-m}{t}\text{, }&t\neq 0\\a\in \mathrm{C}\text{, }&m=f\text{ and }t=0\end{matrix}\right.
Solve for a
\left\{\begin{matrix}a=-\frac{f-m}{t}\text{, }&t\neq 0\\a\in \mathrm{R}\text{, }&m=f\text{ and }t=0\end{matrix}\right.
Solve for f
f=m-at
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at+f=m
Swap sides so that all variable terms are on the left hand side.
at=m-f
Subtract f from both sides.
ta=m-f
The equation is in standard form.
\frac{ta}{t}=\frac{m-f}{t}
Divide both sides by t.
a=\frac{m-f}{t}
Dividing by t undoes the multiplication by t.
at+f=m
Swap sides so that all variable terms are on the left hand side.
at=m-f
Subtract f from both sides.
ta=m-f
The equation is in standard form.
\frac{ta}{t}=\frac{m-f}{t}
Divide both sides by t.
a=\frac{m-f}{t}
Dividing by t undoes the multiplication by t.
at+f=m
Swap sides so that all variable terms are on the left hand side.
f=m-at
Subtract at from both sides.
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