Question

find the value of x ​

Answer 1

Answer:

x+x+20=180(linear pair)

2x+20=180

2x=180-20

2x=160

x=80

Answer 2

answer=80

X+X+20=180 linear angles

2x+20=180

2x=180-20

2x=160

X=160/2

X=80