Multiply by 2: First, we need to isolate z in the inequality −2≤z−22. To do this, we will multiply both sides of the inequality by 2 to eliminate the fraction.Calculation: −2×2≤(z−22)×2
Simplify inequality: After multiplying both sides by 2, we simplify the inequality.Calculation: −4≤z−2
Add 2: Next, we will add 2 to both sides of the inequality to solve for z.Calculation: −4+2≤z−2+2
Final solution: Simplifying the inequality after adding 2 to both sides gives us the final solution.Calculation: −2≤z
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