The expression is [[$ x \rightarrow x + 3 $]]. Deduce which number fits the position of each letter.

[[$ -2 $]] [[$ \rightarrow $]] A



Answer: The number fits in the place of A.

[[$ 3 $]] [[$ \rightarrow $]] B



Answer: The number fits in the place of B.

C [[$ \rightarrow $]] [[$ 8 $]]



Answer: The number fits in the place of C.

D [[$ \rightarrow $]] [[$ -2 $]]



Answer: The number fits in the place of D.