Ling tried to solve an equation step by step. \qquad\begin{aligned} -2q+11& =-32 \\ -2q& =-43& \green{\text{step } 1} \\ q& =21.5& \blue{\text{step } 2} \end{aligned} −2q+11 −2q q =−32 =−43 =21.5 step 1 step 2 find ling's mistake.