To solve the equation $-48 = -4x$, follow these steps:

1. Isolate $x$ by dividing both sides of the equation by $-4$:

   $\frac{-48}{-4} = \frac{-4x}{-4}$

   This simplifies to:

   $12 = x$

Thus, the solution is $x = 12$.

Would you like more details or have any questions? Here are 5 related questions to deepen your understanding:

1. How do you solve equations when variables appear on both sides?
2. What happens when you divide both sides of an equation by a negative number?
3. How can you check if your solution to an equation is correct?
4. What are the steps to solving multi-step equations with parentheses?
5. How would you solve an equation involving fractions, such as $\frac{5}{x} = 10$?

Tip: Always perform the same operation on both sides of an equation to maintain equality.