Question

Can somebody check this for me? I think id did it wrong.

Answer 1

Answer: You’re correct

Step-by-step explanation: Another way to do it is 3x-6+2x+156=180. A way you can check your answer is add the angles up 12,12, and 156 and if you get 180 you’re correct.

Answer 2

I think that right form what I know of.