Explanation:
3(z + 11) = 3
3/3 (z + 11) 3/3
You would divide both sides of the equation by 3
z + 11 = 1
Then you would move your constant to the right and change its sign to subtraction.
z = 1 - 11
Then you would subtract 1-11. Which is 10.
Final answer: z = -10
