alexeckman2512 alexeckman2512
  • 09-02-2024
  • Mathematics
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The difference of a number and 7 is 21.
O 21 - 7 = n: n = 14
O n + 7 = 21; n = 14
O n - 7 = 21; n = 28
O 21 - n = 7; n = 14

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