Answer
$$2x+3y-x+4y=x+7y$$
Explanation
| $$ \begin{aligned}2x+3y-x+4y& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}x+7y\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{2x} + \color{red}{3y} \color{blue}{-x} + \color{red}{4y} = \color{blue}{x} + \color{red}{7y} $$ |
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