$$ \begin{aligned}17-3s+2s& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-s+17\end{aligned} $$ | |
① | Combine like terms: $$ 17 \color{blue}{-3s} + \color{blue}{2s} = \color{blue}{-s} +17 $$ |