Question

Please help!!me don’t understand

Answer 1

45 degree

Explanation:

Since it is an straight line it means all of the added angles together equal 180

2x+45+x=180

3x+45=180

3x=135

x=135/3

x=45

Answer 2

x=45

Explanation:

the sum of straight angle=180

2x+45+x=180

3x=180-45

3x=135

x=135/3=45