Question

Glven: 3x < 9.
Choose the solution set.

Answer 1

x<3

Explanation:

We divide equation by 3. So we get x<3. You can think of it with logic, too.

Answer 2

x<3

Explanation:

3x< 9

Divide each side by 3

3x/3 <9/3

x < 3

There is an open circle at 3 and a line going to the left