Question

Which property is shown 12+(8+5)=(12+8)+5

Answer 1

I believe substitution not 100% though

Explanation:

you sub in the 12 for the 8 the 8 for the 5 and the 5 for the 12 hope it is right

Answer 2

Answer: associative property

Explanation:

In the equation the parentheses are rearranged which is the associative property.