Respuesta:
2x+5y=16
(x+3y=6)*2
2x+6y=12 (lo restamos)
-y=4 ---> y= -4
reemplazamos:
2x+ 5(-4)=16
2x=16+20
2x=36
x=18
y= -4
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Respuesta:
2x+5y=16
(x+3y=6)*2
2x+5y=16
2x+6y=12 (lo restamos)
-y=4 ---> y= -4
reemplazamos:
2x+ 5(-4)=16
2x=16+20
2x=36
x=18
x=18
y= -4