Question

I have no idea how to do this ha​

Answer 1

X=30

Explanation:

2x+50+5x-80=180

7x-30=180

7x=210

×=30

Answer 2

30

Explanation:

If they are parallel then the 2 labelled angles sum to 180.

2x+50+5x-80=180

7x-30=180

7x=210

x=30