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x+x=5 y-y=1
2x=5 y=1
x=5/2
x=2.5
1) x + y = 5
2) x - y = 1
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2x + 0y = 6
2x = 6
x = 6/2
x = 3
El valor de x lo reemplazo en ecuación 1
x + y = 5
3 + y = 5
y = 5 - 3
y = 2
Respuesta.
x = 3
y = 2