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Komok [63]
3 years ago
5

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

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0
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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