| $$ \begin{aligned}2+8+5+13+10& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}38\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2} + \color{red}{8} + \color{green}{5} + \color{orange}{13} + \color{orange}{10} = \color{orange}{38} $$ |