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09-01-2020
Mathematics

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The sum of two numbers is 17 the difference of the two number is 13 what are the numbers

Respuesta :

13-01-2020

Answer: x = 15 ; y = 2

Step-by-step explanation:

x + y = 17

x - y = 13

x + y = 17

x = 17 - y

17 - y - y = 13

17 - 2*y = 13

- 2*y = 13 - 17

- 2*y = -4

y = -4 / -2

y = 2

x + y = 17

x + 2 = 17

x = 17 - 2

x = 15

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