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in buffalo New York the temperature was -14f in the morning.If the temperature decreased by 7f,what is the new temperature

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lexi011214
The answer is -21f because if it started out as -14f you subtract -7f (-14-7) rusting the integer rule a negative minus a positive, add the two and take the sign of the bigger number. 14+7 is 21 the sign of the number is - so -21f

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