Question

Graph the inequality three times n minus four is less than or equal to twenty-three.

Answer 1

Are you sure the variable is n ?

Answer 2

3n - 4 <= 23
3n <= 23 + 4
3n <= 27
n <= 9

closed circle on 9, shading to the left.

Quick lesson :
Solve inequalities like equations but remember this rule : When multiplying/dividing by a negative, this makes the inequality sign change.
Open circle if there is no equal sign involved.
Closed circle if there is an equal sign involved.
If the sign is less then (<) shading goes to the left.
If the inequality sign is greater then (>), he shading goes to the right.