Question
Answer
$$8i+7-11-20i=-12i-4$$
Explanation
| $$ \begin{aligned}8i+7-11-20i& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-12i-4\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{8i} + \color{red}{7} \color{red}{-11} \color{blue}{-20i} = \color{blue}{-12i} \color{red}{-4} $$ |
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