Question
Answer
$$y+(-5y)+6z-2z=-4y+4z$$
Explanation
| $$ \begin{aligned}y+(-5y)+6z-2z& \xlongequal{ }y-5y+6z-2z \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-4y+4z\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{y} \color{blue}{-5y} + \color{red}{6z} \color{red}{-2z} = \color{blue}{-4y} + \color{red}{4z} $$ |
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