Respuesta :

HuytPOl
3x + y = 9
3x - 5y = 15

15x + 5y = 45
3x - 5y = 15

18x = 60
x = 10/3 or 3.33.

Plug that into the equation and Y is equal to -1. Hope this helped. Once again the answer is (10/3, -1).

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michellemmw
X= 10/3 Y= -1 3x + y = 9 (-1)3x - 5y= 15 3x + y = 9 -3x + 5y = -15 + ———————— 6y = -6 y = -1 3x + (-1) = 9 3x - 1 = 9 3x = 10 x = 10/3

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