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