Answer
$$5-i+8+10i=9i+13$$
Explanation
| $$ \begin{aligned}5-i+8+10i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}9i+13\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{5} \color{red}{-i} + \color{blue}{8} + \color{red}{10i} = \color{red}{9i} + \color{blue}{13} $$ |
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