ABC is an isosceles triangle so AB = BC
Plug in
x + 4 = 3x - 8
-2x = - 12
x = 6
AC = x = 6
Answer
6 units
The value of n could be 180 or 360 degrees maybe.
12 pigs×4 legs=48 legs
18 chickens×2 legs=36 legs
48 legs+36 legs=84 legs
12 are pigs and 18 are chickens
Answer is 12
K=y/x (rise over run)
The same rise over run happens to the next point, up 12 over 1
Answer is Provided in the image attached.