Respuesta :

Answer:

y = -2x + 9              y =1/9x + 4/9

Step-by-step explanation:

-9/2 = -x -1/2y

-1/2y = x - 9/2

y = -2x + 9

-4 - x = -9y

-9y = -4 - x

y = 1/9x + 4/9

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