Answer:
I believe the answer is substitution
Step-by-step explanation:
Hope this Helps :)
De lá lá de inglês para português e de inglês de futebol
False,
So let's say that x is 2.
The statement is:
-2 + x is positive
-2 + 2 is positive
O is positive
This is not correct
Let's say that x is-2
-2 + x is positive
-2 + (-2) is positive
-2-2 is positive
-4 is positive