To solve for $x$ in the equation:

$z = 2(x + 2)$

Step-by-Step Solution:

1. Distribute the 2 on the right-hand side: $z = 2x + 4$

2. Isolate the $x$-term by subtracting 4 from both sides: $z - 4 = 2x$

3. Solve for $x$ by dividing both sides by 2: $x = \frac{z - 4}{2}$

Final Answer:

$x = \frac{z - 4}{2}$

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Related Questions:

1. Solve for $x$ when $z = 10$.
2. What happens when $z = 4$? Solve for $x$.
3. Solve $z = 3(x + 5)$ for $x$.
4. Rearrange $z = 2(x + y)$ to solve for $x$.
5. Solve $z = 2x + 3y$ for $x$ in terms of $z$ and $y$.

Tip:

Always perform operations on both sides of an equation to maintain equality.