Respuesta :

Hi! :)

_______ ☆ ☆_____________________

Answer:

Answer will be below...

Step-by-step explanation:

The easiest way for me is using the formula.

Formula: (example) 1+ 2+ __+ n = [goes on...]

Hope this helps! :)

_______ ☆ ☆______________________

By, BrainlyMember ^-^

✨ Good luck! ✨