Answer:
Slope = - 4
Step-by-step explanation:
-3y = 12x + 6
Divide the equation by (-3)
[tex]\frac{-3y}{-3}=\frac{12}{-3}x+\frac{6}{-3}\\\\[/tex]
y = -4x - 2
Compare with y = mx + b
m = -4