Answer:
x=20, 3x=60, 2x=40
Step-by-step explanation:
3x+80+2x=180, so
x=20
That is a supplementary line, so all the angles added up should be 180°
3x+2x+80=180
First combine 2x and 3x
5x+80=180
Then subtract 80 from 180
5x=180-80
5x=100
Now divide both sides by 5
5x/5=100/5
