12b - 15 > 21 graphed

Given inequality:
12b - 15 > 21
To find:
The graph for the inequality.
Solution:
[tex]12b - 15 > 21[/tex]
Add 15 on both sides.
[tex]12b - 15 +15> 21+15[/tex]
[tex]12b> 36[/tex]
Divide by 12 on both sides.
[tex]$\frac{12b}{12} >\frac{36}{12}[/tex]
[tex]b>3[/tex]
Here b is strictly less than 3. so it is open circle.
The image of the graph is attached below.
The solution of the inequality is b > 3.