Respuesta:
x=320
y= 180
Explicación paso a paso:
x + y = 500
x + y = 500x/2 + y = 340 = x + 2y =680
x+y = 500 (restamos)
x+2y = 680
Reemplazamos :
x+y = 500
x + 180= 500
Comprobamos :
x+ y = 500
320 + 180 = 500
500 = 500
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Respuesta:
x=320
y= 180
Explicación paso a paso:
x + y = 500
x + y = 500x/2 + y = 340 = x + 2y =680
x+y = 500 (restamos)
x+2y = 680
y = 180
Reemplazamos :
x+y = 500
x + 180= 500
x = 320
Comprobamos :
x+ y = 500
320 + 180 = 500
500 = 500