Answer
$$7+6i+8-3i=3i+15$$
Explanation
| $$ \begin{aligned}7+6i+8-3i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3i+15\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{7} + \color{red}{6i} + \color{blue}{8} \color{red}{-3i} = \color{red}{3i} + \color{blue}{15} $$ |
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