Question
Answer
$$7+4(4w-1)=16w+3$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}7+4(4w-1)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}7+16w-4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}16w+3\end{aligned} $$ | |
| ① | Multiply $ \color{blue}{4} $ by $ \left( 4w-1\right) $ $$ \color{blue}{4} \cdot \left( 4w-1\right) = 16w-4 $$ |
| ② | Combine like terms: $$ \color{blue}{7} +16w \color{blue}{-4} = 16w+ \color{blue}{3} $$ |
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