Respuesta :

Use PEMDAS
Do multiplication first)

Then add from left to right)

Answer:

Answer: 24

Step-by-step explanation:

You always multiply before you add so this is what you do:

3 + 3 * 7

3 + 3(7)

3 + 21

24

If you don't understand this than you might need to get some help.

I hope this helped. : )