Which step gives an incorrect property or reason in the process of solving the equation? -4(3x+6) +6=-30

-12x-12+6=-30 by the distributive property (Step 1)

-12x -6=-30 by the Commutative Property (Step 2)

-12x -6+6 = -30 +6 Addition (Step 3)

-12x +0 = -24 Additive inverse & Substitution (Step 4)

-12x = -24 Additive Identity (Step 5)

x = 2 Division (Step 6)

a
Step 1
b
Step 2
c
Step 3
d
Step 4
e
Step 5
f
Step 6