Question

solve $12 = z - 8$.\
$z = \underline{\quad\quad}$

Explanation:

Step1: Add 8 to both sides

To isolate \( z \), we add 8 to both sides of the equation \( 12 = z - 8 \). This gives us \( 12 + 8 = z - 8 + 8 \).

Step2: Simplify both sides

Simplifying the left side: \( 12 + 8 = 20 \). Simplifying the right side: \( z - 8 + 8 = z \) (since \( -8 + 8 = 0 \)). So \( z = 20 \).

Answer:

\( z = 20 \)