Question
Answer
$$15i-13-11i-19=4i-32$$
Explanation
| $$ \begin{aligned}15i-13-11i-19& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4i-32\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{15i} \color{red}{-13} \color{blue}{-11i} \color{red}{-19} = \color{blue}{4i} \color{red}{-32} $$ |
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