Answer:
You cant add a negative number.
Step-by-step explanation:
If you add a negative number you will not have a full answer.
Assignment: 
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Answer: 
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Explanation: 
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[ Step One ] Remove Parenthesis (a) = a

[ Step Two ] Simplify Equations



[ Step Three ] Rewrite Equation

[ Step Four ] Add Similar Elements

[ Step Five ] Rewrite Equation

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I think that either A or B have to be the number of days
Answer:
40 degrees!
Step-by-step explanation:
95 + 45 = 140
180 - 140 = 40