134344
134344
18-04-2017
Mathematics
contestada
-3x + 5y =80
x + 5y = 60
Respuesta :
Аноним
Аноним
27-04-2017
-3x+5y=80
-
x+5y=60
-4x=20
x=-5, y=13 or (-5,13). Hope it help!
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