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Mathematics, 04.08.2019 07:30 cxttiemsp021

The sum of the digits of a two-digit number is 5. if the number is multiplied by 3, the result is 42. write and solve a system of equations to find the number.

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The sum of the digits of a two-digit number is 5. if the number is multiplied by 3, the result is 42...
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