Answer:

Step-by-step explanation:
Given

Required
Simplify
We have:

Open brackets

Collect like terms


Answer:

Step-by-step explanation:
Simplifying is basically 1 + 1, so the answer is 2, or 8/4 whichever you prefer.
It can also be 4/2, or 2/1...
The answer for the problem is -13x+8