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Question 2 of 5 Which math expression means "45 less than an unknown number"? O A. X +45 OB. 45 = x O C. x.45 D. x - 45
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Question 2 of 5 Which math expression means "45 less than an unknown number"? O A. X +45 OB. 45 = x O C. x.45 D. x - 45

User Phongnt
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the expression 45 less than a unknown number is:


x-45

because x can be any number

User Hamed Siaban
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