angelyn2120 angelyn2120
  • 03-09-2019
  • Mathematics
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the equation of the sum 42 and a number n is equal to 51

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amber4484 amber4484
  • 03-09-2019
The equation of the sum 42 and a number 'n' is equal to 51
42+n=51
51-42=n
n=9
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