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Mathematics, 16.07.2019 17:30 999supergirl

The sum of the digits of a two-digit number is 8. if the number is multiplied by 4, the result is 104. write and solve a system of equations. find the number. solve using substitution.

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The sum of the digits of a two-digit number is 8. if the number is multiplied by 4, the result is 10...

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