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Mathematics, 03.10.2021 03:00 idontknow11223344

The sum of three numbers is 30. Twice the first number, plus 5 times the second number is 112. Three times the first number minus the second number is 66. Write a system of equations to represent the problem

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The sum of three numbers is 30. Twice the first number, plus 5 times the second number is 112. Three...

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