How do you solve the following inequalities by inspection?

Question

On my homework, it says 'Solve each of the following by inspection.' Could you help me please?
Here's three of them:

1) I3x + 2I = - 8

2) I3x + 2I < - 8

3) I3x + 2I ≥ - 8

Answer 1

Hello
1. Empty set as the absolute value can never be negative.

2. Empty set as the absolute value can never be negative.

3. All values from the domain as the absolute value is always greater than or equal to 0.

Hope This Helps!!