Answer:
X=22
Step-by-step explanation:
In a triangle all the angles add up to 180 so you add them all up and get 6x-21+69=180
+21
-69
6x=132 132/6= 22
Yes! When simplifying 15:60 by dividing each side by 3, you get 5:20, which is the same as 5:20.
Hope this helps <3
