Answer:
just add them
Step-by-step explanation:
A and c are true ! I hope this helps
Answer:
x = -20
Step-by-step explanation:
<u>These angles are opposite therefore they are the same angle/degree</u>
so we can look at this problem as
6x+238=3x+178
(subtract 238)
6x=3x-60
(subtract 3x)
3x=-60
(divide by 3)
x=-20