The replacement set for an equation is {8,9,12,18}.

The equation is represented by the sentence, "23 of a number is 12."

What is the solution set of the equation?



Responses

{8}
open curly bracket 8 close curly bracket,

{9}
open curly bracket 9 close curly bracket

{12}
open curly bracket 12 close curly bracket

{18}