Respuesta :

Yang100

Answer:

x=1, y=1. (1, 1).

Step-by-step explanation:

4x+5y=9

-x+5y=4

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4x+5y=9

4(-x+5y)=4(4)

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4x+5y=9

-4x+20y=16

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25y=25

y=25/25

y=1

4x+5(1)=9

4x+5=9

4x=9-5

4x=4

x=4/4

x=1
x=1 - y=1 so your answered are (1,1)

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