jackymendoza12 jackymendoza12

03-03-2020
Mathematics

contestada

12x - 5y = - 20,
12x - 5y = -20y = x + 4
y = x +4

Respuesta :

Danboghiu66 Danboghiu66

03-03-2020

12x-5y=-20

y=x+4

12x-5(x+4)=-20

12x-5x-20=-20

7x=0,

So, we get: x=0 and y=4

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correct!!!!!!!!! thanks