Question
Answer
$$4p+9+(-7p)+2=-3p+11$$
Explanation
| $$ \begin{aligned}4p+9+(-7p)+2& \xlongequal{ }4p+9-7p+2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3p+11\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4p} + \color{red}{9} \color{blue}{-7p} + \color{red}{2} = \color{blue}{-3p} + \color{red}{11} $$ |
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