Question
Answer
$$h+h+7=2h+7$$
Explanation
| $$ \begin{aligned}h+h+7& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2h+7\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{h} + \color{blue}{h} +7 = \color{blue}{2h} +7 $$ |
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