Answer:
11
Explanation:
You can simplify everything on the left side of the equation first.
1/3 (2 + 4) - 6 = -4
-4 = 2/3 (5 - z)
Multiply both sides by 3/2 (multiplying by the reciprocal of 2/3 gets rid of the fraction)
(3/2) * -4 = 2/3 (5 - z) * (3/2)
-6 = 5 - z
-11 = -z
z = 11