blackmage234509 blackmage234509

24-02-2021
Mathematics

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There are two mystery numbers. The sum of 7 times the first number and 5 times the second number is -11. The sum of 10 times the first number and 8 times the second number is -20. What are the two numbers?

Respuesta :

24-02-2021

first is 2, second is -5

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