Question
Answer
$$(-2+51)\cdot3=147$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(-2+51)\cdot3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}49\cdot3 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}147\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-2} + \color{blue}{51} = \color{blue}{49} $$ |
| ② | $ 49 \cdot 3 = 147 $ |
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