Answer
$$4-5x+x\cdot2=-3x+4$$
Explanation
| $$ \begin{aligned}4-5x+x\cdot2& \xlongequal{ }4-5x+2x \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3x+4\end{aligned} $$ | |
| ① | Combine like terms: $$ 4 \color{blue}{-5x} + \color{blue}{2x} = \color{blue}{-3x} +4 $$ |
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