\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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In the morning, your bank account balance was \(-50\) dollars, and by the evening, it was \(+30\) dollars.
Find the change in your bank account balance.
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
dollars
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