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10 July, 03:55

Which expression can be used to model the phrase "the sum of three and a number"?

3 + x

x-3

3 - X

X. 3

+5
Answers (1)
  1. 10 July, 04:20
    0
    3 + X

    Step-by-step explanation:

    because the word sum is only used in addition.
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