Answer:
ok you to !!!!!!!!! good night!!
Step-by-step explanation:
Answer:

Step-by-step explanation:
3x + 30 = 180 (Angles on a straight line add up to 180 degrees)
Subtract 30 to both sides
3x = 180 - 30
3x = 150
Divide 3 to both sides
x = 150 / 3
x = 50
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>