can someone help me with this pleaseand explain how you got the answer (12 points) please and thank you!

Answer:
the angle of x is 31 degrees
Step-by-step explanation:
Since this is a straight line, it adds up to a total of 180 degrees.
Take 149, the measure of the given angle, and subtract it from 180.
180-149=31
X equals 31 degrees because 31 and 149 will add up to 180 degrees