Tap the blue circles to see an explanation.
| $$ \begin{aligned}8+3(x-5)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8+3x-15 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}3x-7\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{3} $ by $ \left( x-5\right) $ $$ \color{blue}{3} \cdot \left( x-5\right) = 3x-15 $$ |
| ② | Combine like terms: $$ \color{blue}{8} +3x \color{blue}{-15} = 3x \color{blue}{-7} $$ |