5n+9=2n
5n+9−2n=2n−2n
3n+9=0
3n+9−9=0−9
3n=−9
3n/3=−9/3
n=−3
I think it is 174. I could be wrong.
Answer:
180 degrees
Step-by-step explanation:
Hi there,
X x (-2) x 2 = 4 x (-2)
- x = - 2
Hence, X = 2
Hope this helps :)
1, A and D are the same thing But I would go with C. Hope this Helps!
