nzukyritz4670 nzukyritz4670
  • 30-06-2018
  • Mathematics
contestada

When 2 times a number is subtracted from 7 times the number, the result is 55. what is the number?

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sqdancefan
sqdancefan sqdancefan
  • 01-07-2018
Let n represent the number. You require
   7n - 2n = 55
   5n = 55 . . . . . . collect terms
   n = 11 . . . . . . . divide by 5

The number is 11.

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