tentukan gradien A. 12y = -3x + 6 B. 15x - 3y + 11 = 0 C. 6x - 3y = 12 pakai caranya ya

A) 12y = -3x + 6
-3x - 12y + 6 = 0
m = -a/b
m = 3/-12
m = - 1/4

B) 15x - 3y + 11
m = -a/b
m = -15/-3
m = 5

c) 6x - 3y - 12 = 0
m = -a/b
m = -6/-3
m = 2