Solve for a
\left\{\begin{matrix}\\a=0\text{, }&\text{unconditionally}\\a\neq 8\text{, }&c=0\end{matrix}\right.
Solve for c
\left\{\begin{matrix}c=0\text{, }&a\neq 8\\c\in \mathrm{R}\text{, }&a=0\end{matrix}\right.
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ac=0
Variable a cannot be equal to 8 since division by zero is not defined. Multiply both sides of the equation by -a+8.
ca=0
The equation is in standard form.
a=0
Divide 0 by c.
ac=0
Multiply both sides of the equation by -a+8.
c=0
Divide 0 by a.
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