Question
Answer
$$2(3x-1)+x=7x-2$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}2(3x-1)+x& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}6x-2+x \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}7x-2\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{2} $ by $ \left( 3x-1\right) $ $$ \color{blue}{2} \cdot \left( 3x-1\right) = 6x-2 $$ |
| ② | Combine like terms: $$ \color{blue}{6x} -2+ \color{blue}{x} = \color{blue}{7x} -2 $$ |
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