Someone took down my question bruh idek why but can someone help me with this

Answer:
x=30
Step-by-step explanation:
1) 5x+x=180°
2) Add the x to 5x to get 6x=180°
3) Divide both sides by x
4) x=30
I hope I'm right, sorry if it is wrong. If it is right though please please please give me brailiest. Have a good day! :)