Answer: First option.
Step-by-step explanation:
The complete exercise is attached.
Given the following equation:

The steps to solve it are:
1. Apply the Distributive property:

2. Add the like terms:

3. Subtract5 13 from both sides of the equation:

4. Divide both sides of the equation by 12:

To verify it, let's substitute
into the equation:

Evaluating, we get:

Based on this, we can determine that Sarita's solution is correct, but she made an error in her verification (Observe that
)