Which expression is equivalent to (2 + 3) + 5 ?

2 + (3 + 5)

2(3 + 5)

2 + 15

6 + 5

First one

Step-by-step explanation:

By associative property,

(a+b)+c=a+(b+c)

i used to know how to do this in 7th but i forget easily

step-by-step explanation:

answer:

sometimes

*i think