Evaluate
-178
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-178
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70-\left(-39\right)+123-\left(2330-1920\right)
Subtract 428 from 389 to get -39.
70+39+123-\left(2330-1920\right)
The opposite of -39 is 39.
109+123-\left(2330-1920\right)
Add 70 and 39 to get 109.
232-\left(2330-1920\right)
Add 109 and 123 to get 232.
232-410
Subtract 1920 from 2330 to get 410.
-178
Subtract 410 from 232 to get -178.
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