Answer
$$x\cdot3-5x\cdot2+6x=-x$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}x\cdot3-5x\cdot2+6x& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}3x-10x+6x \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-x\end{aligned} $$ | |
| ① | $$ 5 x \cdot 2 = 10 x $$ |
| ② | Combine like terms: $$ \color{blue}{3x} \color{red}{-10x} + \color{red}{6x} = \color{red}{-x} $$ |
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