Question
Answer
$$5(x+2)-7x=-2x+10$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}5(x+2)-7x& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5x+10-7x \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-2x+10\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{5} $ by $ \left( x+2\right) $ $$ \color{blue}{5} \cdot \left( x+2\right) = 5x+10 $$ |
| ② | Combine like terms: $$ \color{blue}{5x} +10 \color{blue}{-7x} = \color{blue}{-2x} +10 $$ |
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