Solve for $z$. \[ -20=\frac{z}{10}-22 \]

Step 1 ：Translate the equation into English: -20 = z/10 - 22

Step 2 ：Add 22 to both sides of the equation to get: 2 = z/10

Step 3 ：Multiply both sides of the equation by 10 to solve for z: z = 20

Step 4 ：Final Answer: \(\boxed{20}\)