Question

1. a - 17 ≥ -16

Explanation:

Step1: Isolate variable $a$

Add 17 to both sides.
$$a - 17 + 17 \geq -16 + 17$$

Step2: Simplify both sides

Calculate the arithmetic operations.
$$a \geq 1$$

Answer:

$a \geq 1$
(On the number line, this is represented by a closed circle at 1 and an arrow pointing to the right, which matches the given number line illustration.)