Respuesta :

Answer:

The answer is 12 and 4

Step-by-step explanation:

1st equation: -x-(-y)=8

2nd equation: (-x)(-y)=48

-x-(y)=8

-x+y+8

y=x+8

-x(x+8)=48

-x^2-8x=48

Multiply -1

x^2+8x=-48

x^2+8x+48=0

(x+12)(x-4)=0

x=-12

x=4

Check:

-(-12)-(4)=8

12-8=8

8=8

(-12)(-4)=48

48=48

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