Question:
The product of two numbers is $-8$. If one of them is $-12$, find the other.
Solution:
Let the other number be $x$.
Thus, we have:
$-12 \times x=-8$
$\Rightarrow x=(-8) \div(-12)$
$\Rightarrow x=-8 \times \frac{1}{-12}$
$\Rightarrow x=\frac{8}{12}$
$\Rightarrow x=\frac{2}{3}$