| $$ \begin{aligned}4t-28t-32& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-24t-32\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4t} \color{blue}{-28t} -32 = \color{blue}{-24t} -32 $$ |