Answer:
[tex]x >-20[/tex]
Step-by-step explanation:
Given
[tex]9 + x >-11[/tex]
Solving (a): The solution
[tex]9 + x >-11[/tex]
Collect like terms
[tex]x >-11-9[/tex]
[tex]x >-20[/tex]
Solving (b): Illustration on a number line
Where the solution starts
It starts on -20
Open or closed circle
An open circle; because the solution shows greater than
The direction
Greater than means that, the solution is towards the right.
Hence, the direction is right