Respuesta:
alternativa "D)" x=6
Explicación paso a paso:
6x + 2y = 46 (*5)
4x - 5y = -1 (*2)
-------------------
30x + 10y = 230
8x - 10y = -2
-----------------------
38x = 228
x = 228/38
x=6
# valor de "y"
4x - 5y = -1
4(6)-5y=-1
24+1=5y
25=5y
25/5 = y
5 = y
y=5
hola x=6
saludos
........
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Respuesta:
alternativa "D)" x=6
Explicación paso a paso:
6x + 2y = 46 (*5)
4x - 5y = -1 (*2)
-------------------
30x + 10y = 230
8x - 10y = -2
-----------------------
38x = 228
x = 228/38
x=6
# valor de "y"
4x - 5y = -1
4(6)-5y=-1
24+1=5y
25=5y
25/5 = y
5 = y
y=5
hola x=6
saludos
........