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Pick the story that can be modeled by the equation $12 - x = 9$.$\newline$Choices:$\newline$(A) Sidney is making her family scrambled eggs for breakfast, so she takes out a carton containing $x$ eggs. She adds $9$ eggs to the pan and places the remaining $12$ eggs back in the fridge.$\newline$(B) Sidney is making her dad a birthday cake, so she takes out a carton containing $12$ eggs. She adds $x$ eggs to the cake batter and places the remaining $9$ eggs back in the fridge.