Respuesta :

Answer:

a<5

Step-by-step explanation:

Let's solve your inequality step-by-step.

3a+6<21

Step 1: Subtract 6 from both sides.

3a+6−6<21−6

3a<15

Step 2: Divide both sides by 3.

3a

3

<

15

3

a<5

Answer:

a<5