I don't know how this operation works... Can anyone help explain me this

Question

X++
++X

Answer 1

X++
Use the value of x and then increment it by 1

++X
Increments the value of x by 1 and then uses it

https://www.sololearn.com/Course/CPlusPlus/1610/?ref=app

Answer 2

https://www.sololearn.com/discuss/2976488/?ref=app