Leon tried to solve an equation step by step. \[\qquad\begin{aligned} \dfrac{1}2w-12&=18\\\\ \\ \dfrac{1}2w&=30&\green{\text{Step } 1}\\\\ \\ w&=15&\blue{\text{Step } 2}\\\\ \end{aligned}\] Find Leon's mistake. Choose 1 answer: Choose 1 answer: (Choice A) \[\green{\text{Step }1}\] A \[\green{\text{Step }1}\] (Choice B) \[\blue{\text{Step }2}\] B \[\blue{\text{Step }2}\] (Choice C) Leon did not make a mistake. C Leon did not make a mistake.
