Question
Answer
$$6a-3b-3a+18b=3a+15b$$
Explanation
| $$ \begin{aligned}6a-3b-3a+18b& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3a+15b\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{6a} \color{red}{-3b} \color{blue}{-3a} + \color{red}{18b} = \color{blue}{3a} + \color{red}{15b} $$ |
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