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on a cold January day , Mavis noticed that the temperature dropped 21 degrees over the course of the day to -9C. Write and solve an equation to determine what the temperature was at the beginning of the
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on a cold January day , Mavis noticed that the temperature dropped 21 degrees over the course of the day to -9C. Write and solve an equation to determine what the temperature was at the beginning of the day

User Ikkentim
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Answer:

Explanation:

At the beginning of the day, the temperature was of x.

It dropped 21 degrees to -9C. So

x - 21 = -9

x =

User ATei
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