Question
Answer
$$0.2x+0.5y-0.3x-1.4=-1$$
Explanation
| $$ \begin{aligned}0.2x+0.5y-0.3x-1.4& \xlongequal{ }0x+0y-0x-1.4 \xlongequal{ } \\[1 em] & \xlongequal{ } \cancel{0x}0y \cancel{0x}-1 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-1\end{aligned} $$ | |
| ① | Combine like terms: $$ \, \color{blue}{ \cancel{0x}} \,0y \, \color{blue}{ \cancel{0x}} \,-1 = -1 $$ |
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