Answer:
Step-by-step explanation:
(X,-4) and (2,8) ; m= -3
Slope m = (y2 - y1)/(x2 - x1)
And y2 = 8, y1 = -4, x2 = 2, x1 = X
m = (8 + 4)/(2 - X)
-3 = 12/(2 - X)
Crossing
-3(2 - X) = 12
-6 + 3x = 12
3x = 12 + 6
3x = 18
x = 18/3
X = 6
