Answer:
co-efficient = 2
Explanation:
Hi! Let me help you out.
___________
- - - - - - - - - - - - - - -
Part 1
Note that luckily, all terms here, are like terms.
Which means we can easily combine them.
. Upon simplifying we obtain this.

↪
- - - - - - - - - - - - - - -
Part 2
What is the co-efficient, of the simplified expression?
The co-efficient is a number that's multiplied times a variable. Which in this case is 2. Which is our answer.
⇨Hope that this helped! have a great day ahead.⇦
Best wishes!

◈◆-Greetings!-◈◆
_______________