Answer:
c=a+b-180
Step-by-step explanation:
Since the equation is a+b-c=180, you subtract a and b from both sides, meaning it would be -c=-a-b+180, then you must multiply both sides by -1, and the answer would come out to c=a+b-180.
1 False
2 True
3 False
4 false
lol that was ezy
