link728
link728
13-11-2020
Mathematics
contestada
I need some assistance please
Respuesta :
Аноним
Аноним
13-11-2020
Answer:
2x + y = 20 . y=3x
2x + 3x = 20
5x = 20
x/5 = 20/5
x = 4
(4,0)
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