Question

Which represents the solution set of the inequality 5x-9 less than or equal to 21

Answer 1

Add 9 to both sides

5x is less than or equal to 30

Divide 5 on both sides

*the sign did not change because a negative number was not multiplied on both sides

x is less than or equal to 6

The last option would be your answer.

Answer 2

x ≤ 6

Explanation:

5x - 9 ≤ 21

Step 1. Add 9 to both sides

5x ≤ 30

Step 2. Divide it all by 5

x ≤ 6