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-24749
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-24749
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\frac{-19920-1400\times 1400}{80}
Subtract 20000 from 80 to get -19920.
\frac{-19920-1960000}{80}
Multiply 1400 and 1400 to get 1960000.
\frac{-1979920}{80}
Subtract 1960000 from -19920 to get -1979920.
-24749
Divide -1979920 by 80 to get -24749.
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