Question
Answer
$$3-a\cdot2+a=-a+3$$
Explanation
| $$ \begin{aligned}3-a\cdot2+a& \xlongequal{ }3-2a+a \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-a+3\end{aligned} $$ | |
| ① | Combine like terms: $$ 3 \color{blue}{-2a} + \color{blue}{a} = \color{blue}{-a} +3 $$ |
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