Answer:
Addition Property of Equality
Step-by-step explanation:
So we had:

And then we got:

We did this by adding 2 to both sides of the equation. When we added 2, the left side cancelled and the right side equated to 9:

Since we added 2 to both sides, this is an example of the addition property of equality.
Agree with the one at the top it’s 36
Answer: If you have a positive and a negative, there is one dash left over, and the answer is negative.
B because 6 times 2 is 12...