Question

Question was provided via image upload.

Explanation:

Step1: Identify coefficient of x

The coefficient of $x$ is $-4$.

Step2: Divide both sides by -4

$\frac{-4x}{-4} = \frac{36}{-4}$

Step3: Simplify both sides

$x = -9$

Answer:

The numbers to fill in the boxes are $\boldsymbol{-4}$ (left box) and $\boldsymbol{-4}$ (right box), and the final value of $x$ is $\boldsymbol{-9}$.