To solve the equation $z + 2 = -6$, we need to isolate the variable $z$. Here are the steps:

1. Start with the given equation: $z + 2 = -6$

2. Subtract 2 from both sides of the equation to isolate $z$: $z + 2 - 2 = -6 - 2$

3. Simplify both sides: $z = -8$

So, the solution to the equation $z + 2 = -6$ is $z = -8$.

Would you like more details or have any questions?

Here are some related questions you might find helpful:

1. What is the solution to $z - 3 = 7$?
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Tip: When solving equations, always perform the same operation on both sides to maintain equality.