(x+2y)/4=0 ⇒ x+2y=0 ...... x(-3)
(3x+y)/5=1 ⇒ 3x+y=5
------------
y - 6y = 5
-5y=5
y =-1 y remplazamos y sale que x = 2
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Verified answer
(x+2y)/4=0 ⇒ x+2y=0 ...... x(-3)
(3x+y)/5=1 ⇒ 3x+y=5
------------
y - 6y = 5
-5y=5
y =-1 y remplazamos y sale que x = 2