Question
Answer
$$-4-9+5-7=-15$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}-4-9+5-7& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-13+(-2) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}-13-2 \xlongequal{ } \\[1 em] & \xlongequal{ }-15\end{aligned} $$ | |
| ① | Combine like termsCombine like terms |
| ② | $ + \, ( \, -2 \, ) = -2 $ |
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