Question
Answer
$$-3+7\cdot(-2+5)=18$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-3+7\cdot(-2+5)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-3+7\cdot3 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-3+21 \xlongequal{ } \\[1 em] & \xlongequal{ }18\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{-2} + \color{blue}{5} = \color{blue}{3} $$ |
| ② | $$ 7 \cdot 3 = 21 $$ |
This page was created using
Complex Expression calculator