Answer:
The correct answer is -3x + 8.
Explanation:
To solve this problem, we must simplify the expression. To do this, we should add together all of the variable terms (the terms that contain an x), and add together all of the constant terms (the terms that are just numbers).
In this case, there are two variable terms (-2x and -x) and one constant term (8).
The addition process is modeled below:
-2x - x + 8
(-2x -x) + 8
-3x + 8
Therefore, the correct answer is -3x + 8.
Hope this helps!