Question

Review the following problem and answer the questions that follow.

Problem: 23 - (-2)
Answer: 21
1) Where did I make the mistake?
2) What suggestion would you give me to avoid making that same mistake in the
future?

Answer 1

the correct answer is 25

.

your sign will be + not - because when you multiply two negative signs It will be positive

Answer 2

you forgot the main part!